Description of the at Command

Submitting an at job file involves these steps:

1. Invoking the at utility and specifying a command execution time.

2. Typing a command or script to execute later.

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   Note –

   If output from this command or script is important, be sure to direct the output to a file for later examination.

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For example, the following at job removes core files from the user account smith near midnight on the last day of July.

$ at 11:45pm July 31
at> rm /home/smith/*core*
at> Press Control-d
commands will be executed using /bin/csh
job 933486300.a at Tue Jul 31 23:45:00 2004