$ at now
echo test
job 2 at Mon Feb 18 11:28:13 2008
$ atq
688128	Sun Dec 11 19:15:00 2033
$ at 1200
echo noon
job 3 at Mon Feb 18 12:00:00 2008
$ atq
688128	Sun Dec 11 19:15:00 2033
688128	Sun Sep 29 09:02:44 1929