B.4
Appendix
B
Commands
APPLY [ - ) [d: ) [path) filename "command"
APPLY "comand" [-) [d: ] [path ] filename
External utility. Executes an MS-DOS command and substitutes parame
ters according to material contained in the file specified.
BACKUP [ ? ] [ [filespec [ + filespec . . . ) ) [d:
1
[filename] [ /swi tch . . . ] ]
External utility. Creates a single backup file on one or more disks for
one or more files.
Switches:
/A [ : da te]
BREAK [ON
I
OFF)
/B [ : da te]
/D
/E
/F
/G
/L
IN
/Q
/R
IT
/v
lw
Back up files after
da te.
Back up files before
date.
Provide directory of master backup files.
Back up all but exception files.
Format destination disks without prompt.
Global; back up subdirectories as well.
List internal backup file directory.
No formatting of destination disks.
Query each source file.
List files to
be
backed up.
Back up files with today's date only.
Verify; read after write.
Back up files that have changed since
last backup.
Internal command. Turns on (or off) immediate response to CTRL-C or
CTRL-BREAK key operations. If off, response is only during normal
MS-DOS 1/0 operations. Turn off feature when running programs that
make use of either CTRL-C or CTRL-BREAK.
CD
[d:
I
[path)
CHDIR [d: I [path)
Internal command. Changes current directory to another directory
path.
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