exit from vi code example
Example 1: exit vim
#Press 'Esc' to change from Edit Mode to Command Mode
#Exit
:q
#Force quit without saving
:q!
#Save file and quit
:wq
Example 2: vi quit
# ESC to start command prompt, then
:q! # exit vi without saving
:wq! # exit vi with saving (! means exiting even if file is read only)
Example 3: vim discard changes and quit command
Vim editor:
Insert: hit I key
Discard and exit: esc q!
Save and exit: esc qw