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Fedora Core can schedule tasks to be run at specific times. This is useful for making backups, indexing data, clearing out temporary files, and automating downloads— and it’s easy to set up.
To schedule a task, use
crontab with the -e option to edit your list of scheduled tasks:
$ crontab -eThe vi editor will start up, and any existing scheduled tasks will appear (if you don’t have any scheduled tasks, the document will be blank). Edit the file using standard vi editing commands.
Each scheduled task occupies a separate line in this file. Each line consists of five time fields, followed by the command to be executed. In order, the file fields are: