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Linux® Desk Reference, Second Edition by Scott Hawkins

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Commands

at

[-V] [-q queue] [-f file] [-mldbv] TIME

at

-c job [job…]

atq

[-V] [-q queue] [-v]

atrm

[-V] job [job…]

batch

[-V] [-q queue] [-f file] [-mv] [TIME]

The at command suite (at, atq, atrm, batch) is a utility for executing commands at a later time. More than one command may be scheduled for execution at a time. A set of scheduled commands is called a queue.

at Execute commands at a specified time.
atq List the current user's queued jobs. (If superuser, list all jobs.)
atrm Delete jobs from the queue.
batch Run only the commands when the system load levels permit.

Specifying a Time

There are three ways to specify a time: Absolute, Relative, or Verbal.

Absolute: MM/DD/YY or DD.MM.YY or MMDDYY (with or without HH:MM)
Relative: <some absolute ...

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