To Logoff, Restart or Shutdown Windows using Batch you can Simply execute shutdown with the needed parameters. To execute the shutdown command you need the sufficient user privileges.

List of Parameters

-l Logs off the current user, this is also the default. -m ComputerName takes precedence.

-s Shuts down the local computer.

-r Reboots after shutdown.

-a Aborts shutdown. Ignores other parameters, except -l and ComputerName. You can only use -a during the time-out period.

-f Forces running applications to close. Note that if you are on a remote machine without using -f your session maybe closed but a hanging program blocks the Shutdown

-m [ \\ ComputerName ] Specifies the computer that you want to shut down.

-t xx Sets the timer for system shutdown in xx seconds. The default is 20 seconds.

-c ” message “ Specifies a message to be displayed in the Message area of the System Shutdown window. You can use a maximum of 127 characters. You must enclose the message in quotation marks.

-d [ u ][ p ] : xx : yy Lists the reason code for the shutdown. Reason Codes (u=Indicates a user code), (p=Indicates a planned shutdown cod), (xx=Specifies the major reason code (0-255)), (yy=Specifies the minor reason code (0-65536)

/? Displays help at the command prompt.

FOR MORE INFORMATIONS AND DETAILS TAKE A LOOK AT THE MSDN.