you're the it administrator for a small corporate network. you want a specific task to run on the corpdata server automatically. in this lab, your task is to: use crontab to create a crontab file for the root user. add parameters to the file that will run the /bin/updatedb command every tuesday and saturday morning at 2:30 a.m. you may need to use crontab -l | more in order to view your changes if they were made to the top of the crontab file.
To remove crontab files, use the crontab -r command.
What is crontab files?
The crontab file is a simple text file that instructs the cron daemon what to do at predefined intervals or times. Any system user can schedule cron jobs or tasks. The task is executed using the user account from which it was generated.
A crontab is a simple text file that contains a series of instructions that are executed at predetermined intervals. The crontab command is recommended for accessing and editing crontab files located in /var/spool/cron/crontabs. The cron daemon uses the "cron table," also known as the "crontab," to schedule tasks.
A crontab file is a simple text file that contains a list of commands that will be executed at specific times. The crontab command is used to modify it. The cron daemon checks the commands in the crontab file (and their run times) before executing them in the system background.
