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Vim (Vi IMproved), a command-line text editor, provides several modes for different kinds of text manipulation. Pressing i enters edit mode. <Esc> goes back to normal mode, which doesn't allow regular text insertion. More information:

  • Open a file:

vim {{path/to/file}}

  • View Vim's help manual:


  • Save and Quit:


  • Open a file at a specified line number:

vim +{{line_number}} {{path/to/file}}

  • Undo the last operation:


  • Search for a pattern in the file (press n/N to go to next/previous match):


  • Perform a regular expression substitution in the whole file:


  • Display the line numbers:

:set nu<Enter>