Text editors

1. vi (or vim) Editor

• vi (short for "Visual Editor") is a powerful and efficient text editor included in almost all Unix-based systems.

• vim (Vi IMproved) is an enhanced version of vi with extra features like syntax highlighting and undo/redo.

• Best for: Advanced users, programmers, and system administrators

Modes in vi/vim:

• Normal Mode (default) – For navigation and commands

• Insert Mode (i) – For text editing

• Command Mode (:) – For running commands

Basic vi Commands:

• Open a file:

    vi filename.txt
  

• Enter Insert Mode: Press i

• Escape out of any mode: esc

• Save and exit: Press ESC, then :wq

• Save changes: Press ESC, then :w and Enter

• Exit vim: Press ESC, then :q and Enter

• Exit without saving: Press ESC, then :q!

• Forward search: /

• Backward search: ?

• Delete a line: dd

• Copy a line: yy

• Paste a line: p

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Nano Editor

• Nano is a beginner-friendly text editor with a simple interface.

• Unlike vi, it does not have different modes—everything is done directly in the editor.

• Best for: Beginners and quick edits

Basic nano Commands:

• Open a file:

    nano filename.txt
  

• Save changes: CTRL + O, then press Enter

• Exit nano: CTRL + X

• Cut a line: CTRL + K

• Paste a line: CTRL + U

• Search text: CTRL + W, type text, and press Enter

  

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