At

Last Updated on Monday, 02 August 2010 10:13

1. Name

at [man page] - queue, examine or delete jobs for later execution

2. Synopsis

at     [-V] [-q queue] [-f file] [-mldbv] TIME
        at -c job [job...]
        atq [-V] [-q queue]
        atrm [-V] job [job...]
        batch 

3. Frequently used options

-m      Send mail to the user when the job has
 completed even if  there was no output.
-f file Reads the job from file rather than standard input.
-l      Is an alias for atq. 

4. Examples

In this example the at command will run a job as specified in a commands.txt file in one minute time from now:

at now + 1 minute -f commands.txt 

at next minute -f commands.txt 

Run a job listed in a commands.txt file in 10 hours time from now:

at now + 10 hours -f commands.txt 

Run a job listed in a commands.txt file on 27 September at 20:30:

at 2030 September 27 -f commands.txt 

Run a job listed in a commands.txt file on following Sunday at 7 AM:

at 7pm Sunday -f commands.txt 

Run a job listed in a commands.txt file next week:

at next week -f  commands.txt 

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