A sample program to setup a cron job 
 
This cron is supposed to delete the spams from your mail box at specific time (at 12:10 pm). 
 
Take this path 
 
Home/username/mail/domainname/ 
 
Paste this path to this line…. 
 
10 12 * * * rm -rf /home/jbalipro/mail/domain.com/linkmaster/.spam/cur/* 
10 12 * * * rm -rf /home/jbalipro/mail/domain.com/linkmaster/.spam/new/* 
 
Go to spool/var/cron and there will be a file with that specific user on which your want to setup a cron job. 
 
Go that file and open it in vi. 
Paste the above line in that file and run the following command 
 
Service crond restart
