mirror of https://github.com/CrimsonTome/tldr.git
21 lines
504 B
Markdown
21 lines
504 B
Markdown
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# Exclamation mark
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> Bash builtin to substitute with a command found in history.
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> More information: <https://www.gnu.org/software/bash/manual/bash.html#Event-Designators>.
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- Substitute with the previous command and run it with sudo:
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`sudo !!`
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- Substitute with a command based on its line number found with `history`:
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`!{{number}}`
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- Substitute with a command that was used specified lines back:
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`!-{{number}}`
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- Substitute with the most recent command that starts with `string`:
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`!{{string}}`
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