C:\WINDOWS>SFC /?

Microsoft(R) Windows XP Windows File Checker Version 5.1
(C) 1999-2000 Microsoft Corp. All rights reserved

Scans all protected system files and replaces incorrect versions with correct
Microsoft versions.

SFC [/SCANNOW] [/SCANONCE] [/SCANBOOT] [/REVERT] [/PURGECACHE] [/CACHESIZE=x]


/SCANNOW        Scans all protected system files immediately.
/SCANONCE       Scans all protected system files once at the next boot.
/SCANBOOT       Scans all protected system files at every boot.
/REVERT         Return scan to default setting.
/PURGECACHE     Purges the file cache.
/CACHESIZE=x    Sets the file cache size.



C:\WINDOWS>SHADOW /?
Monitor another Terminal Services session.

SHADOW [/SERVER:servername] [/V]

 sessionname         Identifies the session with name sessionname.
 sessionid           Identifies the session with ID sessionid.
 /SERVER:servername  The server containing the session (default is current).
 /V                  Display information about actions being performed.




C:\WINDOWS>SHUTDOWN /?
Usage: shutdown [-i | -l | -s | -r | -a] [-f] [-m \\computername] [-t xx] [-c
"comment"] [-d up:xx:yy]

No argsDisplay this message (same as -?)
-iDisplay GUI interface, must be the first option
-lLog off (cannot be used with -m option)
-sShutdown the computer
-rShutdown and restart the computer
-aAbort a system shutdown
-m \\computernameRemote computer to shutdown/restart/abort
-t xxSet timeout for shutdown to xx seconds
-c "comment"Shutdown comment (maximum of 127 characters)
-fForces running applications to close without warning
-d [u][p]:xx:yyThe reason code for the shutdown
u is the user code
p is a planned shutdown code
xx is the major reason code (positive integer less than 256)
yy is the minor reason code (positive integer less than 65536)