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06 XP Changes to DOS
MS-DOS commands were changed
in
XP - some changes, some deletions.
Functionality of these commands were changed.
<chcp.asp> Changes code pages
for
all Command Prompt windows.
<diskcomp.asp> Command-line options /1 and /8 are
not
supported.
diskperf No longer needed to act upon a server computer. You can still use diskperf
for
remote administration.
<diskcopy.asp> Command-line option /1 is
not
supported.
<doskey.asp> Available
for
all character-based programs that accept buffered input. Doskey has been improved by a series of enhancements.
<format.asp> Supports 1.44 MB floppy drive only. 20.8 MB floptical
(
magneto-optical
)
drive is no longer supported. Command-line options /b, /s, /u, /1, /4, and /8 are no longer supported.
<label.asp> The caret
(
^
)
and ampersand
(
&
)
symbols can be used
in
a volume label.
<mode.asp> The mode lptn[:][cols
=
c][lines
=
n] and mode lptn[:][c][,[n]] syntaxes are
not
supported.
<print.asp> Command-line options /b, /c, /m, /p, /q, /s, /t, and /u are
not
supported.
<prompt.asp> New character combinations enable you to add ampersands
(
$a
)
, parentheses
(
$c and $f
)
, and spaces
(
$s
)
to your prompt.
<recover.asp> Recovers files only.
<rmdir.asp> New /s command-line option deletes directories that contain files and subdirectories.
<sort.asp> Does
not
require TEMP environment variable. File size is unlimited.
<xcopy.asp> New /g command-line option creates decrypted destination files.
Unavailable MS-DOS Commands
assign
not
currently supported.
backup
not
currently supported.
choice
not
currently supported.
ctty
not
currently supported.
dblspace
not
currently supported.
deltree The rmdir /s command deletes directories containing files and subdirectories.
for
more information about the rmdir command, see Rmdir <rmdir.asp>
dosshell Function is now inherent.
drvspace
not
currently supported.
emm386 Function is now inherent.
fasthelp
not
currently supported. Use the help command at the command prompt.
for
more information about the help command, see Help <help.asp>
for
a complete list of command-line tools, see Command-line reference A-Z <ntcmds.asp>
fdisk
not
currently supported. Use the diskpart command, which enables you to manage disks, partitions, or volumes.
for
more information about the diskpart command, see Diskpart <diskpart.asp>
include Multiple configurations of the MS-DOS subsystem are
not
supported.
interlnk
not
currently supported.
intersrv
not
currently supported.
join Increased partition size and an improved file system eliminate the need to join drives.
memmaker MS-DOS subsystem memory usage is automatically optimized.
menucolor Multiple configurations of the MS-DOS subsystem are
not
supported.
menudefault Multiple configurations of the MS-DOS subsystem are
not
supported.
menuitem Multiple configurations of the MS-DOS subsystem are
not
supported.
mirror
not
currently supported.
msav
not
currently supported.
msbackup Use the ntbackup command
for
computers with tape drives, or the xcopy command
for
computers without tape drives.
for
more information about the ntbackup command, see Ntbackup <ntbackup_command.asp>
for
more information about the xcopy command, see Xcopy <xcopy.asp>
mscdex It is unnecessary to configure the MS-DOS subsystem to use CD-ROM drives. Windows XP provides access to CD-ROM drives
for
the MS-DOS subsystem.
msd Use the System Information snap-
in
. To
start
System Information, click
start
, click Run, and then type msinfo32.
numlock
not
currently supported.
power
not
currently supported.
restore
not
currently supported.
scandisk
not
currently supported. Use the chkdsk command, which enables you to create and display a status report
for
a disk based on the file system. Chkdsk also lists and corrects errors on the disk.
for
more information about the chkdsk command, see Chkdsk <chkdsk.asp>
smartdrv Caching
for
the MS-DOS subsystem is automatic.
submenu Multiple configurations of the MS-DOS subsystem are
not
supported.
sys Windows XP does
not
fit on a standard 1.2 MB or 1.44 MB floppy disk.
undelete
not
currently supported.
unformat
not
currently supported.
vsafe
not
currently supported.
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