I want to know the basics of vi editor because I am new to linux and currently I am using ubuntu 16.04.

  • <esc>:q! To close the file without saving.
  • <esc>:wq To close the file with saving.

Those are the first two commands that I teach people who need to use VIM in a pinch. They are useful, and provide a base for understanding the use of the <esc> key and : commands.

As Christian mentioned in his comment, VimTutor is probably the best way to learn VIM. Just type vimtutor at the CLI and follow the instructions on the screen.

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