tldr/pages/common/vim.md

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# vim
> Vim (Vi IMproved), a command-line text editor, provides several modes for different kinds of text manipulation.
> Pressing `i` enters insert mode. `<Esc>` enters normal mode, which enables the use of Vim commands.
> More information: <https://www.vim.org>.
- Open a file:
`vim {{path/to/file}}`
- Open a file at a specified line number:
`vim +{{line_number}} {{path/to/file}}`
- View Vim's help manual:
`:help<Enter>`
- Save and Quit:
`:wq<Enter>`
- Undo the last operation:
`u`
- Search for a pattern in the file (press `n`/`N` to go to next/previous match):
`/{{search_pattern}}<Enter>`
- Perform a regular expression substitution in the whole file:
`:%s/{{regular_expression}}/{{replacement}}/g<Enter>`
- Display the line numbers:
`:set nu<Enter>`