at, batch—executes commands at a later time
at [–csm] [–f script] [–qqueue] time [date] [+ increment]
at –l [ job...]
at –r job...
batch
at and batch read commands from standard input to be executed at a later time. at allows you to specify when the commands should be executed, whereas jobs queued with batch will execute when system load level permits. Executes commands read from stdin or a file at some later time. Unless redirected, the output is mailed to the user.
Example A.3.
1 at 6:30am Dec 12 < program
2 at noon tomorrow < program
3 at 1945 pm August 9 < program
4 at now + 3 hours < program
5 at 8:30am Jan 4 < program
6 at -r 83883555320.a
EXPLANATION
At 6:30 in the morning on December 12, start the job. At noon tomorrow start the job. At 7:45 in the evening on August 9, start the job. In three hours start the job. At 8:30 in the morning on January 4, start the job. Removes previously scheduled job 83883555320.a.
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