Index - A

absolute defined

• url is a relative or absolute link to another document or resource
• 2.0 DTD compliant The absolute minimum HTML standard Supports GIF s,

• that acts as an abstract .
• print, modify, and abstract its contents without going through a
• e.g. chapter, section, abstract , or appendix. Attributes: ID An SGML
• <DIV CLASS = Abstract > A detailed description of the H-
• <P CLASS = abstract > defines a paragraph that acts as

• An alternate term for Add-ons .
• is a collection of add-ons and plug-ins for Adobe Photoshop, and
• there are hundreds of add-ons , abilities and expansions that some

• on the Web at this address ; in addition to defining alias, it
• References: host IP address host system Detail: A host name may
• numeric Internet ( IP) address . For example, in the UNIX Hosts
• of the Internet address and the official hostname. All others
• Enter your e-mail address , or any other identification, as a
• addr set the email address for mail output mail [ addr ] mail
• to the archie server . Address your email message to archie@
• host names and address . The system administrator can
• (such as an IP address or other network parameters). Such
• to discover its own IP address , the address of a server host , and
• name, or exact address of the program. Break conditions can
• to share the same address block. Collections of IP addresses are
• route can cover the address space of several earlier numbers. URLs:
• Routing (CIDR): an Address Assignment and Aggregation Strategy.
• 1995 to conserve IP address space, slow the rate of growth in the
• national telephone and address directory, Consumer Reports, software
• server Internet IP Address TCP/IP Print References: DNS and BIND
• find out Internet address es through the use of a name server (a
• find out if a specific address actually exists. For more detailed
• of as a type of address book for the Internet . Just as you may
• is no longer at the address , so you may receive a "No DNS
• sees if it has the IP address . If it doesn't have the address , it
• If it doesn't have the address , it redirects your request to the root
• relative to this base address . ISINDEX (optional) The ISINDEX
• . A domain is an address that represents a group of Internet
• an alias given to that address to prevent having to remember clumsy
• valid Internet e-mail address . W3E References: URLs Information on
• Each message has an address and a return address. E-mail servers on
• encoding methods. Address Book An address book, which contains an
• Address Book An address book, which contains an alphabetized
• to include the deli address . Internet e-mail addresses are
• Stewart's e-mail address is mcintyre@io.com. Most e-mail
• so a built-in address book will simplify and streamline
• those packages whose address books can store information other than
• numbers, and postal address are also handy to have at your finger
• REMOTE_ADDR The IP address of the remote host making the request .
• DNS alias , or IP address as it would appear in self-referencing
• such as name or address , is linked to specific columns or
• ( Internet Protocol ) address block. Network-level firewalls are
• the same memory space address . W3E References: client/server server
• of an Internet address , and the various layers of subheadings
• by a unique IP domain address (although different ports on the same
• W3E References: IP address
• domain name address Detail: IANA assures that domain names
• the numer ica l IP address and alphabetic addresses, and maintains
• IP address An IP address , also called a logical
• IP address An IP address , also called a logical address,
• as a complete mailing address helps to ensure that the ordinary mail
• want to reach. The IP address consists of a 32 bit binary number.
• 8 bits of the 32 bit address . Each address includes a network
• W3E References: address URL Print References: Que's Computer
• IP port address IP port address is a portion of an IP
• port address IP port address is a portion of an IP Address, and
• edu:2000/ The port address identifies a specific server service or
• The default port address for hypertext transfer protocol ( http
• a domain name and IP address . Service providers supply a router
• their e-mail address . Listserv is the name of a package
• to the listserv. The address to subscribe to a mailing list will
• being the address of the computer that "hosts"
• send you the e-mail address of the mailing list , which is where
• between the address of the mailing list itself and the
• list itself and the address of the server . The former is usually
• of the form group@ address and the latter of the form listserv
• announced the new address and allowed users to link to the new
• W3E References: address link Print References: The World Wide
• for example). The address you send e-mail to in order to
• is different from the address that you send e-mail that is to be
• send you the address to which you mail your subsequent
• is a URL , ftp address or other location pointer to
• the destination address in the header and pass the packet along
• Doe" Q: " Address " A: "555 Wayside" Q:
• Port Address A port address is part of the
• Port Address A port address is part of the addressing system used
• on the Internet . Port Address is a general term used to describe the
• the port number and address included in URLs and E-mail addresses.
• person's physical home address . These two pieces of information are
• contains the server address and port number. In this case, the port
• When a URL or E-mail address is written without the port number, the
• for HTTP is 80. Port address could also refer to IP address . IP
• between an IP address and the type of addressing already
• Internet using an IP address . The connection takes place over
• Resource Locator, the address and protocol information of the
• protocols; a single address space may have multiple instances of
• a non-default IP Port address (that is, to a number other than 80),
• production Web IP port address URL Web site WebMaster Web server
• a different IP Port address for your test Web 's HTTP listener
• W3E References URL URN Address
• resides, the port address to be used for communication, and a
• below). W3E References Address URI URL-encoding URN Detail Web
• Locators. They are the address es of the Internet today--with nearly
• sent to a predefined address , using electronic mail. "news:
• on this subject). port address - TCP/IP applications like HTTPd (the
• use a numbered address , called a port address (sometimes
• can offer. This port address makes sure that requests for services
• The default port address for HTTP is 80, but if you see a port
• but if you see a port address specified in a URL, it's a good idea to
• server , and it's port address (see below for more information). For
• number or a physical address , where information about the Web
• W3E References Address URI URL
• org" (or Internet address 128.141.201.74).
• Web page " address ").
• a Webmaster 's e-mail address where you can direct your questions and
• Locating an E-mail Address The easiest way to locate someone's
• someone's e-mail address is to call and ask the person or
• or institutions whose address you seek. However, this isn't always a
• search for an e-mail address , here are some tools and tips that
• name and e-mail address available. Individual E-mail Addresses
• Internet e-mail address can be difficult, but it isn't
• find someone's e-mail address , in decreasing order of importance:
• or affiliated Web page address City, state or other location
• to locating an e-mail address is to locate the host computer where
• discovering the e-mail address is only a finger command away. If you
• a business's e-mail address is much easier than looking for an
• Acronym <ADDRESS> Address <ARRAY> Math Array
• > The content < ADDRESS > </ADDRESS> </BODY> <
• address Your e-mail address Your phone or fax number Your company
• add elements <ADDRESS> ... <ADDRESS> Address Author
• ... <ADDRESS> Address Author contact information for document
• --> <A> <ADDRESS> <B> <BASE> <
• is legal within: < ADDRESS > <B> <CITE> <CODE>
• Topic: < ADDRESS > ... </ADDRESS> Attribution
• Info Definition: < ADDRESS > ... <ADDRESS> defines a
• author's name, e-mail address , signature files, snail mail address ,
• files, snail mail address , and even phone number. The <
• to place the < ADDRESS > section as the last item inside
• None. Context: < ADDRESS > ... <ADDRESS> is legal
• be used within < ADDRESS > ... <ADDRESS>: <A> <
• Example: < ADDRESS > Ed Tittel 5810 Lookout Mountain
• within: <A> < ADDRESS > <B> <CITE> <CODE>
• /BLOCKQUOTE> < ADDRESS > <BLOCKQUOTE> <DIR> <
• within: <A> < ADDRESS > <B> <CITE> <CODE>
• is legal within: < ADDRESS > <B> <CITE> <CODE>
• within: <A> < ADDRESS > <B> <CITE> <CODE>
• " URL " the address of the current link destination,
• provides a permanent address for a web-based resource ; unlike a URL
• text field with an FTP address , or provide contact information
• the author's email address with a mailto URI , or a link to the
• Topic: < ADDRESS > Address Definition: The ADDRESS
• Definition: The ADDRESS element specifies such information as
• want to start the address element below the figure rather than
• decide to place the address alongside the figure just so long as
• . Context: < ADDRESS > is legal within: <BANNER>,
• be used within < ADDRESS > <A>, <ABBREV>, <
• REQUIRED Example: < ADDRESS > John Doe<BR> email: johndoe@
• relative to this base address . The default base address is the URL
• want to start the address element below the figure rather than
• decide to place the address alongside the figure just so long as
• want to start the address element below the figure rather than
• decide to place the address alongside the figure just so long as
• the author's email address with a mailto URI , or a link to the

• W3E References: AFS (Andrew File System) Andrew File System is

• the steps of an algorithm . It can be compiled into a very
• using a particular algorithm . The files can take on the form of
• and Adelman (RSA) algorithm . Data Encryption Standard , or DES,
• government standard algorithm for encrypting and decrypting data.
• W3E References: algorithm .Z .gz .ZIP Detail: Most file
• (LZW) scheme. The LZW algorithm is used in the V.42bis modem
• program utilizes a LZC algorithm , a variant of the LZW algorithm .
• a variant of the LZW algorithm . PKZIP utilizes a variant of the
• decompression algorithm is not patented, only the compression
• W3E References: algorithm Hash tables are generated by
• are generated by algorithm s (hash functions).
• using a particular algorithm . The utility can be used to compress
• kind of compression algorithm to use. The biggest benefit of the

• A domain name is an alias used by TCP/IP applications that
• and the name is an alias given to that address to prevent having
• 's hostname, DNS alias , or IP address as it would appear in
• . W3E References: alias The NCSA server convention Script Alias
• convention Script Alias is used for file mapping when testing

• References CompuServe America On-Line Internet
• CompuServe America On-Line Prodigy Detail: Benefits of
• provider , such as America On-Line or CompuServe , and connect to
• tools. W3E References: America On-Line CompuServe service provider
• provider s, such as America On-Line , allocate space for their
• FAQs . W3E References: America On-Line CompuServe Detail: Prodigy
• like CompuServe , America On-Line and Prodigy also offer

• W3E References tag anchor Detail The anchor tag in the HTML 2.0
• tag anchor Detail The anchor tag in the HTML 2.0 specification is
• The attributes of the anchor tag define source or destination links.
• html #anchor |--1--|-----2-----|--3--|---------4------
• the requested file). anchor - Within an HTML document , hyperlinks
• even if the anchor 's very close to the end of the HTML
• to forget to close an anchor , heading or even the body . Always use
• public. Every link , anchor and image should be examined at least
• HTML DTDs. <A> Anchor <ABBREV> Abbrev <ABOVE> Math
• Links Create link s to anchor or another document , or create anchor
• A> ... </A> Anchor or link Provides fundamental hypertext
• A> ... </A> Anchor Definition: This tag indicates a
• HTML document . An anchor of this type is called an internal
• is called an internal anchor . REL=("next"|"
• between the current anchor and the destination. "Next"
• about the current anchor page 's maker or owner. REV=("
• and the current anchor . All of the attribute values are the
• Works the same as the anchor tag <A> ... </A>. URN ="
• the name of this anchor , for reference access from other
• between the current anchor and the destination. "Next"
• about the current anchor page 's maker or owner. REV=("
• and the current anchor . All of the attribute values are the
• Topic: <A> Anchor Definition: The anchor <A> element
• Anchor Definition: The anchor <A> element is used to define the
• as a destination anchor so that links can now be made to
• implies that the anchor acts as the start of a hypertext link .
• used to define a named anchor for use as the destination of hypertext
• implies that the anchor acts as the start of a hypertext link .
• link (see the anchor element ). When the user clicks on the
• implies that the anchor acts as the start of a hypertext link .
• implies that the anchor acts as the start of a hypertext link .
• tags as line breaks. Anchor elements, and character highlighting

• well-crafted piece of animation or a slick graphic. If the interface
• to as "poor man's animation ". A standard html document can

• listing for all anonymous FTP sites on the Internet . Archie
• log onto every known anonymous FTP server and retrieve a full
• what Archie does for anonymous ftp sites, or Veronica for gopher
• Later: Common with anonymous FTP sites. Bad Request 400: The
• a copy. Or, try the Anonymous FTP site rtfm.mit.edu (in the
• URLs: FTP List The Anonymous FTP Sitelist and FAQ maintained by
• . RFC 1635: How To Use Anonymous FTP Information for the novice on
• transcripts of anonymous FTP sessions. W3E References:
• from remote computers. Anonymous FTP Anonymous FTP is a special case
• Anonymous FTP Anonymous FTP is a special case of file
• that are available via anonymous ftp . Print References: Using Ftp by
• two-step process. Anonymous FTP Sites Thousands of anonymous FTP
• FTP Sites Thousands of anonymous FTP sites offer public access to
• ICA is available by anonymous ftp . Print Resources: The Integrated
• lists), newsgroups , anonymous ftp (including Archie ), gopher
• and avoiding using anonymous FTP during high-use business hours.
• It's available via anonymous ftp at: ftp.trumpet.com.au (/winsock
• can be obtained via anonymous FTP from: (DOS, OS/2) gr5*, gd2* (DOS
• of materials itself. Anonymous ftp sites serve as repositories for
• or later, available by anonymous FTP from oak.oakland.edu in the
• program giftrans by anonymous ftp from ftp.rz.uni-karlsruhe.de at
• clip2gif (available by anonymous FTP from orathost.cfa.ilstu.edu in

• developed, including ANSI C (a standardization of C), GNU C, and C++
• Institute's ( ANSI ) X3J16 committee, International Standards
• Standards Institute ( ANSI ) coordinates the efforts for national
• Standards Institute ( ANSI ) and the British Standards Institution
• of ISO meetings. ANSI The American National Standards Institute,
• Institute, or ANSI has a web site includes a searchable
• sites W3E References: ANSI HTML protocol SGML Print References: HTML
• Standards Institute ( ANSI ). Since then, it has been formally
• W3E References: ANSI (American National Standards Institute)
• mode, the VT100 or ANSI escape sequences used to control text
• is governed by the X11 ANSI standard (see the X11 definition for more
• procedures approved by ANSI , the principal coordinator of voluntary

• W3E References: API (application program or programming
• the Internet , from an API (application program or programming
• between programs. An API is such an interface; it links an
• compiled languages. An API is basically a translator and makes the

• device-, system-, and application-independent electronic text. In

• wide web version of Archie , the search program of anonymous ftp
• Archie Example 1 A typical Archie output. Click
• Example 1 A typical Archie output. Click here to return to the
• here to return to the Archie page.
• do for the Web what Archie does for anonymous ftp sites, or
• to specific files. Archie To download a file, you must first know
• where to find it. The Archie program provides a database of files
• ftp (including Archie ), gopher (including Veronica ), WAIS
• (whether Gopher , Archie , FTP , Web , etc.). Without load
• information from Archie , WAIS and Veronica . Documents viewed
• . Also, regex is an Archie search option. When performing searches,
• W3E References: Unix Archie
• newsgroup postings Archie or WAIS support Will give a wider range

• W3E Resources: argv The arguments that argc refers to. C C++
• of character strings argv containing the arguments. Manipulating
• first s argument (in argv [0]) is the command name itself.

• Projects Agency ( ARPA ) and later, the National Science
• more information see ARPA .
• Protocol for the ARPA Network The official description of the

• common combination of ASCII characters used to end one line of text
• can be a generic ASCII text editor or designed for specific
• CGI Perl Detail: An ASCII text editor is a valuable tool to a HTML
• (e.g., binary , ASCII , etc.). Encoding is also a method of
• Extensions for Non- ASCII Text Syntax Overview concerning the
• any type into a pure ASCII text file. UUDecoding - the process of
• most systems include: ASCII --Switch to ASCII mode. ASCII mode is the
• into printable 7-bit ASCII format allows it to be transmitted via
• a binary format to an ASCII file. Files are converted to this format
• . Files converted to ASCII can be transported through cyberspace
• a binary to BinHex ( ASCII ) format. A binary formatted file can
• from binary to an ASCII format, it appears as a series of
• converted BinHex ( ASCII ) files than binary files. File
• most popular binary to ASCII (text) converter available for the
• bitmapped files into ASCII or other electronic text code.
• drawings composed of ASCII characters. W3E References: "<
• and convert them into ASCII or other character code. OCR is used in
• text formats, such as ASCII e-mail files or UNIX man pages into HTML
• is encoded with the ASCII symbols, as opposed to text generated by
• a binary format to an ASCII (text) format. Files are served to the
• from binary to the ASCII format have been compressed, and they
• power of plain ASCII text, and aimed especially at those who
• who communicate using ASCII (as many do) in e-mail and Usenet news
• the display of text in ASCII , using a fixed width font, and a minimum
• generating hypertext . ASCII is often referred to as "plain
• as "plain vanilla ASCII ," and Ian Feldman describes its
• from a binary to an ASCII format. Files are converted to ASCII in
• Files are converted to ASCII in order to ensure that they can be
• charset =us- ASCII.
• g., for HTTP URLs the ASCII space character can be encoded by the '+'
• turning the UUEncoded ASCII file back into it's original form.
• turning the UUEncoded ASCII file back into it's original form. Detail
• simple screen-oriented ASCII text editor evolved from the earlier edt
• Movie format TEXT ASCII text TEXT-FTP FTP-formatted text TIFF
• (encoded in US ASCII and ISO 8859-1 as decimal 9) should be

• ATM ( Asynchronous Transfer Mode) Asynchronous
• Transfer Mode) Asynchronous transfer mode is a form of network
• voice and video. In an asynchronous ("not at the same time")
• users. E-mail is asynchronous , which means you can send
• W3E References: Asynchronous Transfer Mode (ATM) Asynchronous
• Transfer Mode (ATM) Asynchronous Transfer Mode ( ATM ), along with
• W3E References: Asynchronous Transfer Mode (ATM) TCP/IP Detail:
• network is based on Asynchronous Transfer Mode ( ATM ) technology.
• ATM Packets within asynchronous transfer mode are called cells.
• synchronous links and asynchronous links with 8 bits of data and no
• provide synchronous or asynchronous updates. The synchronous method
• real-time basis. The asynchronous method takes a little more time,
• personal computers is asynchronous , since it is done by telephones,
• work W3E References: asynchronous network link
• can include local and asynchronous links, packet radio transmissions,
• W3E References: asynchronous synchronous

• as direct deposit and ATM transactions. The surge of interest in the
• Transfer Mode (ATM) Asynchronous Transfer Mode ( ATM ), along
• Transfer Mode ( ATM ), along with Switched Multimegabit Data
• Transfer Mode (ATM) TCP/IP Detail: I-way overview I-way is an
• Transfer Mode ( ATM ) technology. It supports TCP/IP over ATM
• supports TCP/IP over ATM and direct ATM-oriented protocols.
• source to destination. ATM Packets within asynchronous transfer mode

• hyperlink . URLs: NAME Attribute of the Anchor Element A very good
• is an optional attribute of the HTML tag < BODY >...<
• area. The attribute is set to an URL pointing to an image
• "> A separate attribute BGCOLOR controls the color of the
• The BACKGROUND attribute was introduced with Netscape 1.1 and
• . W3E References: attribute Boundaries errors occur when data
• In HTML , the class attribute (CLASS=...) defines subclasses of
• Detail: The attribute CLASS=... can be used with a broad
• tag takes a single attribute which is the number of the next
• it will use the HREF attribute , if it's the destination, it will
• METHOD METHOD is a an attribute of the HTML <FORM> tag that is
• by the ACTION attribute 's URL . The syntax for the attribute
• . The syntax for the attribute is METHOD=(" GET "|"
• of a read- only attribute +r, as with: C :\ attrib +r filename
• regular basis. The SRC attribute of the IMG tag must point to a URL
• it will use the NAME attribute ; if it's the source, the HREF
• the source, the HREF attribute . Attributes: HREF=" URL " URL
• made") The REL attribute specifies the relationship between
• the reverse of the REL attribute , and indicates the destination and
• anchor . All of the attribute values are the same, but apply to the
• . Don't forget to attribute your sources, either (remember to use
• ") The METHOD attribute tells the browser how to interact
• inclusion of this attribute indicates that the box was checked,
• made") The REL attribute specifies the relationship between
• the reverse of the REL attribute , and indicates the destination and
• anchor . All of the attribute values are the same, but apply to the
• is, like the TITLE attribute , METHODS supplies advisory
• MULTIPLE this attribute appears when users are allowed to
• field " This attribute binds the element to the HTTP header
• you can now use any ID attribute as a destination anchor so that links
• document . This attribute supersedes the "NAME"
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• . HREF The HREF attribute implies that the anchor acts as the
• the value of the HREF attribute , which is expressed using Universal
• designated by the HREF attribute . It is used when you want to be sure
• string . The MD attribute is generally allowed for all elements
• based links. NAME This attribute is used to define a named anchor for
• links. Note: the NAME attribute has been superceded by the ID
• using +. SHAPE This attribute is used within figures to define
• FIGURE element . The attribute value is a string that takes of the
• with the HREF attribute . It can be used for object types
• with the HREF attribute . The set of relationship names is
• guided tours. The REL attribute can be used to support searches for
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• document . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• NOWRAP The NOWRAP attribute is used when you don't want the
• the array. The ALIGN attribute can take on of the following values:
• are centered. This attribute can be used to specify the horizontal
• table. The COLDEF attribute can also be used to place a "
• within the COLDEF attribute is ignored. LDELIM An entity or
• The presence of this attribute has the same effect as TeX 's
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• HREF The HREF attribute implies that the anchor acts as the
• the value of the HREF attribute , which is expressed using Universal
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• may ignore this attribute . It is included here for the benefit
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• document . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• NOWRAP The NOWRAP attribute is used when you don't want the
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• it. The CLEAR attribute allows you to move down
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• flush left. The ALIGN attribute can be used to explicitly specify the
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• document . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• is used with the CLASS attribute to represent different kinds of
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• . ALIGN The ALIGN attribute can be used to explicitly specify the
• NOWRAP The NOWRAP attribute is used when you don't want the
• element . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• document . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• The presence of this attribute indicates the user agent should use
• spacing. The COMPACT attribute may also reduce the width of the
• sheets and the class attribute . The opening list tag must be DL
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• document . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• when the align attribute is center (the default) or justify.
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• it. The CLEAR attribute allows you to move down
• The presence of this attribute disables text flow around the figure.
• as a URI . This attribute may appear together with the MD
• together with the MD attribute . MD Specifies a message digest or
• specified by the SRC attribute . It is used when you want to be sure
• string . The MD attribute is generally allowed for all elements
• the value of the UNITS attribute ). User agents may scale the figure
• the value of the UNITS attribute ). User agents may scale the figure
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• ACTION The ACTION attribute is a URL specifying the location to
• default) or POST . The attribute was introduced to inform user agents
• supports. ENCTYPE This attribute specifies the MIME content type to be
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• flush left. The ALIGN attribute can be used to explicitly specify the
• setting. CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• level (H6). This attribute is used to set the sequence number
• as a URI . This attribute may appear together with the MD
• together with the MD attribute . MD Specifies a message digest or
• specified by the SRC attribute . It is used when you want to be sure
• string . The MD attribute is generally allowed for all elements
• NOWRAP The NOWRAP attribute is used when you don't want the
• sections. The SRC attribute can be used to designate a custom
• by a period. The CLASS attribute is most commonly used to attach a
• document . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• as a URI . This attribute may appear together with the MD
• together with the MD attribute . MD Specifies a message digest or
• specified by the SRC attribute . It is used when you want to be sure
• string . The MD attribute is generally allowed for all elements
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• . SRC (Source) The SRC attribute specifies the URI for the image to be
• as that of the HREF attribute of the <A> tag . SRC is
• specified by the SRC attribute . It is used when you want to be sure
• string . The MD attribute is generally allowed for all elements
• UNITS This optional attribute specifies the units for the width and
• to another. The ISMAP attribute identifies an image as an image map.
• out forms . The TYPE attribute determines the type of field .
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• defaults to TEXT. The attribute value is an SGML name token and and
• or similar. ERROR This attribute specifies an error message explaining
• incorrect. When this attribute is missing, the field can be assumed
• The presence of this attribute indicates that a radio button or
• pitch fonts, the size attribute specifies the maximum number of
• pitch fonts, the attribute specifies the width in en units (half
• . SRC (Source) The SRC attribute specifies the URI for an image for
• as that of the HREF attribute of the <A> tag . MD Specifies a
• specified by the SRC attribute . It is used when you want to be sure
• string . The MD attribute is generally allowed for all elements
• links. ALIGN This attribute only applies to fields with
• element . The ALIGN attribute takes the values TOP or MIDDLE or
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• HREF The HREF attribute implies that the anchor acts as the
• the value of the HREF attribute , which is expressed using Universal
• altered by the COLDEF attribute on the parent ARRAY element , and
• several columns. The attribute value is a positive integer and
• several rows. The attribute value is a positive integer and
• with the COLSPAN attribute . Context: <ITEM> is legal
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• document . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• as a URI . This attribute may appear together with the MD
• together with the MD attribute . MD Specifies a message digest or
• specified by the SRC attribute . It is used when you want to be sure
• string . The MD attribute is generally allowed for all elements
• HREF The HREF attribute implies that the anchor acts as the
• the value of the HREF attribute , which is expressed using Universal
• with the HREF attribute . The set of relationship names is
• guided tours. The REL attribute can be used to support searches for
• with the HREF attribute . It can be used for object types
• The presence of this attribute causes the user agent to draw a
• The presence of this attribute indicates the user agent should use
• sheets and the class attribute . Context: <MENU> is legal
• HTTP-EQUIV This attribute binds the element to an HTTP response
• header named by this attribute is known, then the contents can be
• . If absent, the NAME attribute should be used to identify this
• The CLASS attribute specifies the type of the element and
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• document . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• as a URI . This attribute may appear together with the MD
• together with the MD attribute . MD Specifies a message digest or
• specified by the SRC attribute . It is used when you want to be sure
• string . The MD attribute is generally allowed for all elements
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• document . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• The presence of this attribute indicates the user agent should use
• sheets and the class attribute . Context: <OL> is legal within
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• or similar. ERROR This attribute specifies an error message explaining
• When this attribute is missing, the option can be assumed
• together with the name attribute of the enclosing select element ,
• When present, this attribute signifies that the option should be
• menus. SHAPE This attribute is used within menus to define shaped
• option's value. The attribute value is a string that takes of the
• image as a URI . This attribute may appear together with the MD
• together with the MD attribute . MD Specifies a message digest or
• specified by the SRC attribute . It is used when you want to be sure
• string . The MD attribute is generally allowed for all elements
• the value of the UNITS attribute ). Y The Y offset from the top left
• the value of the UNITS attribute ). WIDTH Specifies the desired width
• the value of the UNITS attribute ). User agents may scale the figure
• the value of the UNITS attribute ). User agents may scale the figure
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• flush left. The ALIGN attribute can be used to explicitly specify the
• setting. CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• NOWRAP The NOWRAP attribute is used when you don't want the
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• document . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• Where the WIDTH attribute is supported, widths of 40, 80 and
• is set by the LANG attribute . Attributes: ID An SGML identifier
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• The presence of this attribute denotes that the SELECT element
• or similar. ERROR This attribute specifies an error message explaining
• options. When this attribute is missing, the menu can be assumed
• SRC (Source) The SRC attribute is used for graphical menus to
• as that of the HREF attribute of the <A> tag . MD Specifies a
• specified by the SRC attribute . It is used when you want to be sure
• string . The MD attribute is generally allowed for all elements
• UNITS This optional attribute specifies the units for the width and
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• text). The ALIGN attribute for SUB is only meaningful within the
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• apply to. The ALIGN attribute can be used to override the default
• text). The ALIGN attribute for SUP is only applicable within the
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• apply to. The ALIGN attribute can be used to override the default
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• of a line. The INDENT attribute is not meaningful when combined with
• combined with the TO attribute . TO Specifies a previously defined
• tab stop (see ID attribute ). ALIGN Lines are usually rendered
• element . The ALIGN attribute can be used to explicitly specify the
• tab stop. If the TO attribute is missing, it centers the text
• tab stop. If the TO attribute is missing, it renders the text flush
• tab stop. If the TO attribute is missing, the tab element is
• point with the ALIGN attribute , e.g. dp="." (the default)
• as set by the LANG attribute on enclosing elements. Context: <
• size. The COLSPEC attribute can be used when needed to exert
• margins (see WIDTH attribute ). Table start with an optional
• when the noflow attribute is given or the table align attribute
• or the table align attribute is center (the default), or justify.
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• it. The CLEAR attribute allows you to move down
• The presence of this attribute disables text flow around the table.
• units for the COLSPEC attribute : units=en Specifies en units (a
• of the COLSPEC attribute (its best to wait until all of the
• . COLSPEC The colspec attribute is a list of column widths and
• alignment, see DP attribute . Capital letters are required to
• the associated units attribute . This approach is more compact than
• hand entry. The width attribute allows you to specify the width of
• point with the COLSPEC attribute , e.g. dp="." (the default)
• as set by the LANG attribute on enclosing elements. WIDTH This
• according to the UNITS attribute . If units= relative , the width is
• should disregard this attribute if it would result in columns having
• This presence of this attribute instructs the user agent to render
• NOWRAP The NOWRAP attribute is used when you don't want the
• overriden by the ALIGN attribute for the cell; the COLSPEC attribute
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• (one). ALIGN The ALIGN attribute can be used to explicitly specify the
• absence of the ALIGN attribute , the default is overridden by the
• presence of an ALIGN attribute on the parent TR element , or by the
• element. The COLSPEC attribute takes precedence over the TR element
• point with the ALIGN attribute , e.g. dp="." (the default)
• as set by the LANG attribute on enclosing elements. VALIGN The
• VALIGN The VALIGN attribute can be used to explicitly specify the
• absence of the VALIGN attribute , the default can be overridden by
• presence of a VALIGN attribute on the parent TR element . NOWRAP The
• . NOWRAP The NOWRAP attribute is used when you don't want the
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• (one). ALIGN The ALIGN attribute can be used to explicitly specify the
• absence of the ALIGN attribute , the default is overridden by the
• presence of an ALIGN attribute on the parent TR element , or by the
• element. The COLSPEC attribute takes precedence over the TR element
• point with the ALIGN attribute , e.g. dp="." (the default)
• as set by the LANG attribute on enclosing elements. VALIGN The
• VALIGN The VALIGN attribute can be used to explicitly specify the
• absence of the VALIGN attribute , the default can be overridden by
• presence of a VALIGN attribute on the parent TR element . NOWRAP The
• . NOWRAP The NOWRAP attribute is used when you don't want the
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• or similar. ERROR This attribute specifies an error message explaining
• incorrect. When this attribute is missing, the field can be assumed
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• . ALIGN The ALIGN attribute can be used to explicitly specify the
• are flush left. This attribute can be used to alter these defaults
• the TABLE's COLSPEC attribute , there is no point in also including
• point with the ALIGN attribute , e.g. dp="." (the default)
• as set by the LANG attribute on enclosing elements. VALIGN The
• VALIGN The VALIGN attribute can be used to explicitly specify the
• by the VALIGN attribute on individual cells: valign=top The
• NOWRAP The NOWRAP attribute is used when you don't want the
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a
• document . CLEAR This attribute is common to all block-like elements.
• it. The CLEAR attribute allows you to move down
• The presence of this attribute suppresses the display of bullets, e
• as a URI . This attribute may appear together with the MD
• together with the MD attribute . MD Specifies a message digest or
• specified by the SRC attribute . It is used when you want to be sure
• string . The MD attribute is generally allowed for all elements
• folder. WRAP The WRAP attribute is used for multicolumn lists. Use
• The presence of this attribute indicates the user agent should use
• sheets and the class attribute . Context: <UL> is legal within
• rules. The language attribute is composed from the two letter
• by a period. The CLASS attribute is most commonly used to attach a

• server supports user authentication , and the script is protected,
• server supports user authentication , and the script is protected,
• 1734 Myers, J. POP3 AUTHentication command. 1994 December; 5 p.
• to read the message. Authentication A public key system also allows
• encryption and authentication system. RSA is used in a wide
• Encryption and authentication take place without any sharing
• Traversal (aft) Common Authentication Technology (cat) Domain Name
• One Time Password Authentication (otp) Privacy-Enhanced
• confidentiality, authentication , and message integrity. S-HTTP

• utilities like sed and awk , grep and Unix editors like vi and Emacs .
• ftp site at MIT. sed & awk O'Reilly & Associates, the well known
• W3E References: awk UNIX Print References: sed & awk by Dale
• References: sed & awk by Dale Dougherty. O'Reilly. 1990.