Executes a shell script at a time you specify
at [options] time [date | +increment]
batch [options] [time]
The at utility executes commands it receives from standard input as a shell script in the working directory at the time you specify. When at executes commands, it sends you the resulting standard output and standard error via e-mail. You can redirect the output to avoid getting mail.
The atq utility displays a list of at jobs you have queued. Normally atq displays only the jobs that you have scheduled using at. When you run atq as Superuser, it displays all the at jobs scheduled by all users on the system. The atrm utility cancels at jobs that you have queued. The batch utility schedules jobs so that they run when the ...