SHELL

crontab save

# As others have pointed out, the first thing is to make sure you're 
# using an editor you like.
# We're all admins here, so we all like vi (ducks, runs).

export VISUAL=vi
crontab -e
# (do some edits, finishing with ESCAPE)
:wq # ENTER

how to edit and save crontab in linux

crontab -e		# open user crontab in edit mode
i      			# for insert.  Make your changes
:wq!   			# quit and save
crontab -l		# open user crontab in read mode