/X remaps extended keys independently on extended (101/102 key) keyboards, that is, allow remapping of physically distinct (or at least generates a unique extended scancode) but otherwise logically same key (e.g. home on numeric pad versus separate [gray] home key)
/K force use of extended keyboard, specifically force use of extended keyboard BIOS interface that allows detection of F11/F12 and other extended (in comparison to 84 key keyboards) keys
/S secure mode, disables keyboard redefinitions
/Tnn indicates that mode nn (00-FF hex) of your video card is a text mode
FD: nansi.sys is the ANSI console driver included with FreeDOS
Modifies or displays attributes of given file or directory. If no option is given then displays attributes of all files and directories in the current directory, otherwise attempts to change attributes of specified file[s] to those given.
external, attrib.exe
/s additionally apply options to all files in every subdirectory
- remove (clear) specified attribute
+ add (set) specified attribute
R readonly, normal operations are unable to write or delete file
A archive, indicates file was changed since last backup or other operation that cleared archive attribute (i.e. needs archving)
S system, indicates this is a system file or other file that should not be physically moved/alterred, normal operations are unable to write or delete file and may not list file
H hidden, indicates file or directory should not be shown in normal directory listing
Examples:
attrib -a +s +r command.com
Removes the archive, adds the system & readonly attributes to the file command.com.
attrib /S -a *.*
Removes the archive attribute from all files in the current directory and files in all subdirectories.
attrib
Displays the attributes of all files in the current directory.
