1. |
It is a daemon that runs scheduled tasks |
It runs commands periodically, the frequency being defined in several days. |
2. |
Example – updates, system backups |
Example – a backup script that is scheduled to run weekly or monthly. |
3. |
Suitable for machines that are on 24x7 like servers |
Suitable for machines like laptops and desktops that are NOT on 24x7. |
4. |
Runs as per defined schedules. |
Checks if any job has to be executed when the user turns on the power. |
5. |
Default system crontab file is /etc/crontab |
Listed in /etc/anacrontab |