Hardware Reference
In-Depth Information
Command
Function
The most usual version of the
PROMPT
command is
PROMPT
$p$g
which displays the current directory/sub-directory and
helps to avoid confusion when navigating within DOS directories.
See
RMDIR
.
RD
The
RENAME
command allows the user to rename a disk file.
RENAME
may be used with the
*
and
?
wildcard characters in
order to rename all files for which a match occurs.
RENAME
may
be abbreviated to
REN
.
Examples:
RENAME PROG2.ASM PROG1.ASM
renames
PROG1.ASM
to
PROG2.ASM
on the disk placed in the
current (default) directory.
REN A:
\
HELP.DOC HELP.TXT
renames the file
HELP.DOC
to
HELP.TXT
in the root directory of
the disk in drive A:.
REN B:
\
CONTROL.* PROG1.*
renames all files with name
PROG1
(regardless of type extension)
to
CONTROL
(with identical extensions) found in the root directory
of the disk in drive B:.
RENAME
The
RMDIR
command is used to remove a directory.
RMDIR
may
be abbreviated to
RD
. The command cannot be used to remove the
current directory and any directory to be removed must be empty
and must not contain further sub-directories.
Examples:
RMDIR ASSEM
removes the directory
ASSEM
from the current directory (note that
DOS will warn you if the named directory is
not
empty!)
RD C:
\
DOS
\
BACKUP
removes the directory
ASSEM
from the current directory (once
again, DOS will warn you if the named directory is
not
empty!)
RMDIR
The
SET
command is use to set the environment variables
(see
PATH
).
SET
The
TIME
command allows the time to be set or displayed.
Examples:
TIME
displays the time on the screen and also prompts the user to make
any desired changes. The user may press
<RETURN>
to leave the
settings unchanged.
TIME 14:30
sets the time to 2.30 p.m.
TIME
(
continued
)
