vim editor command in linux

VIM  Editor

Vim is a clone, with additions, of Bill Joy's vi text editor program for Unix. Vim's author, Bram Moolenaar, based it on the source code for a port of the Stevie editor to the Amiga and released a version to the public in 1991.
Unix    - VI
Linux  -  VI Improved

There Are Three Mode In VI Editor.

• Command Mode - Read, Copy, Paste, Delete, Move, Switch Numbering, Cut.
• Insert Mode         - This Mode Help To Write Text And Contain.
• Esc Mode            -  Also known As Extended Command Mode,Out From The Editor.
  

Setp 1) Install Vim: 

• On Ubuntu: sudo apt update && sudo apt install vim
• On CentOS: sudo yum update && sudo yum install vim

Step 2) Vim Editor Useful Command:

Basic Command:

• vim file_name  - to enter into file
• i                        - inter into insert mode
• :q                      - quit without saving the file
• :q!                     - qit forcefully without saving
• :w                     - save the contain
• :wq                   - save and quit
• :wq!                  - save and quit forcefully
  
  
  Advance Command:
  
  
  
• :se nu                 - set line number
• :se nonu             - remove the line number
• :20                     - jump into line number 20 in the file

• shift + g             - jump into bottom of the file
• gg                      - jump into top of the file
• 5yy                    - copy 5 line
• p                        - paste 
• 5dd                    - delete 5 line
• 3cc                     - cut the 3 line
• u                        - undo
• ctrl+r                 - redo

Nano Editor

Nano is a simple, user-friendly, and lightweight text editor for the command line.
editor comes with Linux default installation.

Saving changes:

• Ctrl + O: Save the file.
• Press Enter to confirm the file name.

Exiting Nano:

• Ctrl + X: Exit Nano.
• If changes are unsaved, Nano will prompt you to save them.

Undo/Redo:

• Alt + U: Undo the last action.
• Alt + E: Redo the last undone action.