Friday, September 26, 2008

Shutdown! Now!!!

Sometimes I need to do a shutdown on computers thru command-line, and every time I need to look for the correct parameters list. So I decided today to write here some hints.

The command needed to force a restart on a windows vista computer is:

shutdown /t 0 /f /r

Btw you can force a shutdown or restart also on remote computers, and in this case the command is

shutdown /t 0 /f /r /m \\computername

I noticed that depending on the OS version you will be using “-“ instead of “/” to prefix commands. So for example on Win Server 2000 you could be using:

shutdown -t 0 -f -r

And finally here’s a complete parameters list:

C:\>shutdown
Usage: shutdown [/i | /l | /s | /r | /g | /a | /p | /h | /e] [/f]
    [/m \\computer][/t xxx][/d [p|u:]xx:yy [/c "comment"]]

    No args    Display help. This is the same as typing /?.
    /?         Display help. This is the same as not typing any options.
    /i         Display the graphical user interface (GUI).
               This must be the first option.
    /l         Log off. This cannot be used with /m or /d options.
    /s         Shutdown the computer.
    /r         Shutdown and restart the computer.
    /g         Shutdown and restart the computer. After the system is
               rebooted, restart any registered applications.
    /a         Abort a system shutdown.
               This can only be used during the time-out period.
    /p         Turn off the local computer with no time-out or warning.
               Can be used with /d and /f options.
    /h         Hibernate the local computer.
               Can be used with the /f option.
    /e         Document the reason for an unexpected shutdown of a computer.
    /m \\computer Specify the target computer.
    /t xxx     Set the time-out period before shutdown to xxx seconds.
               The valid range is 0-600, with a default of 30.
               Using /t xxx implies the /f option.
    /c "comment" Comment on the reason for the restart or shutdown.
               Maximum of 512 characters allowed.
    /f         Force running applications to close without forewarning users.
               /f is automatically set when used in conjunction with /t xxx.
    /d [p|u:]xx:yy  Provide the reason for the restart or shutdown.
               p indicates that the restart or shutdown is planned.
               u indicates that the reason is user defined.
                 if neither p nor u is specified the restart or shutdown is unplanned.
               xx is the major reason number (positive integer less than 256).
               yy is the minor reason number (positive integer less than 65536).

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