From LedHed's Wiki
The at command is kind of like a scheduled task or cron job.
Usage:
at time command
Example:
at 23:00 chkdsk c: /f
This will run a disk check at 11:00pm
Scheduling commands on Remote Systems
at \\RemoteHost 12:00 del c:\log.txt
This will delete c:\log.txt at noon.
Viewing Job Schedule
Just type at.
at
Deleting Scheduled Commands
at ID /delete
Where ID is the job number, which can be obtained by running the at command as stated above.