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A crontab file is a simple text file containing a list of commands meant to be run at specified times. … The commands in the crontab file (and their run times) are checked by the cron daemon, which executes them in the system background. Each user (including root) has a crontab file.
What is the use of crontab?
The crontab is a list of commands that you want to run on a regular schedule, and also the name of the command used to manage that list. Crontab stands for “cron table, ” because it uses the job scheduler cron to execute tasks; cron itself is named after “chronos, ” the Greek word for time.
How does crontab work in Ubuntu?
The following steps to be followed to set up a cron job in Ubuntu:
- Connect to server and update the system: …
- Check if cron package is installed: …
- If cron is not installed, install the cron package on Ubuntu: …
- Verify if cron service is running: …
- Configure cron job on ubuntu:
