What Is A crontab and how do i disable mail alert from it | Domain Hosting

What Is A crontab and how do i disable mail alert from it

Linux always keeps great features and programs inside its Operating Systems,Crontab is one of the Unique features of Linux or Unix operating system ,it let the program  run each after a specific intervals what you give command to crontab job,It identifies the title of the client whose crontab is to be tweaked. If this choice is not granted, crontab examines “your” crontab, i.e., the crontab of the individual executing the command. Note that su can bewilder crontab and that if you are running interior of su you should habitually use the -u choice for safety’s sake,,

An skilled Linux sysadmin understands the significance of running the usual upkeep occupations in the backdrop automatically.

I bring some useful commands using for Crontab Here are some below

$ man crontab
  $ man -s 5 crontab
  $ man cron
  $ man crond

export EDITOR=nano
Crontab is performing fine job to prevent in error messages here is the method how to prevent error messages from Cronta
To prevent the sending of errors and output, add any one of the following at the end of the line for each cron job to redirect output to /dev/null.
 >/dev/null 2>&1.
 OR
 &> /dev/null