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Windows AT Command

In Windows, you can use the Task Scheduler tool in Control Panel to schedule tasks. You can also use the at command to schedule tasks manually. This article* describes how to use the at command to create and to cancel scheduled tasks.

*http://support.microsoft.com/kb/313565

Overview of the AT Command

You can use the at command to schedule a command, a script, or a program to run at a specified date and time. You can also use this command to view existing scheduled tasks.

To use the at command, the Task Scheduler service must be running, and you must be logged on as a member of the local Administrators group. When you use the at command to create tasks, you must configure the tasks so that they run in the same user account.

The at command uses the following syntax:

at \\computername time /interactive | /every:date,... /next:date,... command

at \\computername id /delete | /delete/yes

The following list describes the parameters that you can use with the at command:

\\computername: Use this parameter to specify a remote computer. If you omit this parameter, tasks are scheduled to run on the local computer.

time: Use this parameter to specify the time when the task is to run. Time is specified as hours:minutes based on the 24-hour clock. For example, 0:00 represents midnight and 20:30 represents 8:30 P.M.

/interactive: Use this parameter to allow the task to interact with the desktop of the user who is logged on at the time the task runs.

/every:date,...: Use this parameter to schedule the task to run on the specified day or days of the week or month, for example, every Friday or the eighth day of every month. Specify date as one or more days of the week (use the following abbreviations: M,T,W,Th,F,S,Su) or one or more days of the month (use the numbers 1 through 31). Make sure that you use commas to separate multiple date entries. If you omit this parameter, the task is scheduled to run on the current day....