The at command allows programs to be scheduled at a certain time. The at command takes a time as its argument. After pressing return the commands to be executed can be entered, followed by a CTRL-D on an emty line.
The time can be specified in the form HH:MM, followed by an
optional date in the form month name day of month, followed by
an optional increment. The increment is preceeded by a '+' followed by
a number or the special word next and one of the words:
minute[
s]
, hour[
s]
,
day[
s]
, week[
s]
,
month[
s]
,
year[
s]
.
To find out what jobs are scheduled with at we can run at -l. To remove jobs from the queue, we can run at -r followed by the jobs number gained from at -l.