CRON¶

Edit CRON tasks:

sudo crontab -e

Cron log:

grep CRON /var/log/syslog

Schema:

* * * * * *
| | | | | |
| | | | | +--- Years            (range: 1900-3000)
| | | | +----- Days of week     (range: 1-7)
| | | +------- Months           (range: 1-12)
| | +--------- Days of month    (range: 1-31)
| +----------- Hours            (range: 0-23)
+------------- Minutes          (range: 0-59)

# <timing>  <user> <command>
11 * * * *  root   /usr/lib/command