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- What's new in PKZIP 2.50 for DOS
- ----------------------------------
-
- * PKZIP will now replace (-ac-) or edit (-ac+) a .ZIP comment when
- updating files.
-
- * Better file compression with the -exx option.
-
- * PKZIP/PKUNZIP options allow you to mask (-ja) or retain (-Ja) the
- archive attribute on added/extracted files.
-
- * PKZIP allows you to disable (with the -n option) or enable (with
- the -n+ option) long file name (i.e. LFN) support.
-
- * PKUNZIP now allows you to specify (with the -p option) printer
- port numbers 1-9 on the command line and in the configuration
- file.
-
- * PKZIP allows you to specify 2 (e.g. t=123199) or 4
- (e.g. T=12311999) digit year designations when archiving files.
-
- * PKZIP allows you to format (using the -&fh or -&uh options) high
- density diskettes in extra high density diskette drives when
- spanning archive files.
-
- * PKZIP allows you to enable (with the -% option) or disable (with
- the -%+ option) EMS spooling of temporary data.
-
- Note: Please refer to the ADDENDUM.TXT file for detailed
- information on new and updated PKZIP/PKUNZIP options.
-
- * PKZIP/PKUNZIP will use EMS memory to allow handling
- of .ZIP files with up to 16,383 files in them.
-
- * PKZIP/PKZUNZIP shows a 4 digit year in the -v display.
-
- * PKZIP/PKUNZIP/PKSFX supports Windows 95/98 (DOS 7) long
- filenames.
-
- * PKZIP will use 32-bit protected mode compression code if
- DPMI is present, allowing for significantly faster and
- somewhat better compression.
-
- * PKZIP will spool temporary data to EMS memory instead of a
- temporary file, if available, for better speed.
-
- * Improved PKZIP compatibility with NetWare 4.0.
-
- * Both PKZIP and PKUNZIP now read from the same configuration
- (i.e. PKWARE.INI) file. PKZIP/PKUNZIP will look for the following
- environment value:
-
- PKWARE.INI=[drive][path]
-
- Format of the PKWARE.INI file is similar to the following:
-
- [PKZIP]
- pkzip options ...
- [PKUNZIP]
- pkunzip options ...
-
- Note: You may convert an older configuration file
- (i.e. PKZIP.CFG) by running the CNVCFG.BAT file. Please
- refer to the PKZIP CONFIGURATION section in the MANUAL.TXT
- file for detailed information on the available PKWARE.INI
- options.