2021-04-04 21:07:13 +01:00
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# history expansion
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2021-04-09 17:46:37 +01:00
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> Reuse and expand the shell history in `sh`, `bash`, `zsh`, `rbash` and `ksh`.
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> More information: <https://www.gnu.org/software/bash/manual/html_node/History-Interaction>.
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2021-04-04 21:07:13 +01:00
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- Run the previous command:
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`!!`
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- Run the previous command as root:
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`sudo !!`
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- Run a command with the last argument of the previous command:
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`{{command}} !$`
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- Run a command with the first argument of the previous command:
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`{{command}} !^`
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- Run the command `n` lines back in the history:
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`!-{{n}}`
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- Run the most recent command starting with `string`:
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`!{{string}}`
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- Run the previous command, replacing `string1` with `string2`:
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`^{{string1}}^{{string2}}^`
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- Perform a history expansion, but print the command that would be run instead of actually running it:
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`{{!-n}}:p`
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