nvim

nvim

TLDR

Open a file

$ nvim [file]
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Enter text editing mode (insert mode)
$ <Esc>i
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Copy ("yank") or cut ("delete") the current line (paste it with P)
$ <Esc>[yy|dd]
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Undo the last operation
$ <Esc>u
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Search for a pattern in the file (press n/N to go to next/previous match)
$ <Esc>/[search_pattern]<Enter>
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Perform a regular expression substitution in the whole file
$ <Esc>:%s/[regular_expression]/[replacement]/g<Enter>
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Save (write) the file, and quit
$ <Esc>:wq<Enter>
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Quit without saving
$ <Esc>:q!<Enter>
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