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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 edit mode. `<Esc>` goes back to normal mode, which doesn't allow regular text insertion.
+> More information: <https://www.vim.org>.
+
+- Open a file:
+
+`vim {{path/to/file}}`
+
+- View Vim's help manual:
+
+`:help<Enter>`
+
+- Save a file:
+
+`:write<Enter>`
+
+- Quit without saving:
+
+`:quit!<Enter>`
+
+- Open a file at a specified line number:
+
+`vim +{{line_number}} {{path/to/file}}`
+
+- 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 regex substitution in the whole file:
+
+`:%s/{{pattern}}/{{replacement}}/g<Enter>`