APPEND
(External)
APPEND ;
APPEND [d:]path[;][d:]path[...]
APPEND [/X:on|off][/path:on|off] [/E]
Displays or sets the search path for data files. DOS will search the specified path(s) if the file is not found in the current path.
ASSIGN
(External)
ASSIGN x=y [...] /sta
Redirects disk drive requests to a different drive.
ATTRIB
(External)
ATTRIB [d:][path]filename [/S]
ATTRIB [+R|-R] [+A|-A] [+S|-S] [+H|-H] [d:][path]filename [/S]
Sets or displays the read-only, archive, system, and hidden attributes of a file or directory.
BACKUP
(External)
BACKUP d:[path][filename] d:[/S][/M][/A][/F:(size)] [/P][/D:date] [/T:time] [/L:[path]filename]
Makes a backup copy of one or more files. (In DOS Version 6, this program is stored on the DOS supplemental disk.)
BREAK
(Internal)
BREAK =on|off
Used from the DOS prompt or in a batch file or in the CONFIG.SYS file to set (or display) whether or not DOS should check for a Ctrl + Break key combination.
BUFFERS
(Internal)
BUFFERS=(number),(read-ahead number)
Used in the CONFIG.SYS file to set the number of disk buffers (number) that will be available for use during data input. Also used to set a value for the number of sectors to be read in advance (read-ahead) during data input operations.
CALL
(Internal)
CALL [d:][path]batchfilename [options]
Calls another batch file and then returns to current batch file to continue.
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