at – Come and Tech it !

If you need to run a job once, at is the tool perfectly suited for this need.

The at tool requires some options to run a job at a given moment.

Without any parameters, at pops up the following error :

Garbled time

The job can be either specified from the at prompt or using the -f

Here is an example to run a job in a minute from the time the command at is executed :

at now + 1 minute

at>echo "This is a test"

at now + 1 minutes

at>echo "This is a test"

Using a text file :

at now + 1 minute -f job_file

Once the job is completed, an email is sent. Check your local Mailbox using the mail command.

Good tutorials around at providing additional examples :

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