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I want to say I am a complete newbie but I want a shell script that will execute a command on a specific time for example on 6:45 am

How is this done, a full example would be very useful! Thank you!

marked as duplicate by Mitch, Radu Rădeanu, Rinzwind, user117103, karel Nov 7 '13 at 22:49

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You want to use cron.

You create schedules within your crontab (crontab -e). The syntax of how to do that can be seen here.

If you wanted to clear /tmp/ at 6:45 AM every day you'd have something like the following in your crontab:

45 6 * * * /bin/rm -rf /tmp/*

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