Using Cron

Format:
[Minute (0-59)] [Hour (0-23)] [Day (1-31)] [Month (1-12)] [Weekday (0-6, where 0 indicates Sunday)] /some/script/or/command

Notes:
crontab -e for editing
crontab -l for listing all crons have been configured in the machine
crontab -r for removing crontab files for the user

Useful links:

  1. http://www.crontabrocks.org/
  2. http://www.thegeekstuff.com/2009/06/15-practical-crontab-examples/
  3. http://adminschoice.com/crontab-quick-reference
  4. http://www.linuxhelp.net/guides/cron/
  5. http://en.wikipedia.org/wiki/Cron
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