Manage Cron Job using Putty

1. Login to SSH via Putty
2. Type crontab –e
3. Use “I” for insert
4. Make the necessary changes
5. Press Escape
6. Type :q (to quit without any changes)
7. Type  :wq (to save changes and quit)

Disable CRON error emails: Add the following at the top of the Cron file
MAILTO=""

For more info Click Here

See the list of CRON process IDs:  pgrep crond

Cron Status: service crond status
Stop the Cron: /etc/init.d/crond stop
Start the Cron: /etc/init.d/crond start
Restart the Cron: /etc/init.d/crond restart 

Kill the Process by PID: kill PID

Get PID by Process name: pidof lighttpd