Question: PART C Using cron and at 1. You should set the VISUAL or EDITOR environment variables before running crontab so that you do not end

PART C

Using cron and at

1. You should set the VISUAL or EDITOR environment variables before running crontab so that you do not end up with a text editor that you dont know how to use. Recommended text editors are pico, jed, emacs, and vi. (Note that not all

distributions will have all of these installed by default.)

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2. Edit your cron table using the crontab command.

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3. Create a cron job to send yourself an e-mail greeting on your birthday. Create

another cron job to send yourself an e-mail 10 minutes from now. Make sure that

you receive that message.

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4. Use at to send yourself an e-mail message 5 minutes from now. Make sure that

you receive it. Try out some other time formats as well.

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5. View the at queue and remove some entries.

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