Update cheatsheets

histexpand

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# history expansion
+
+> Reuse and expand the shell history in `sh`, `bash`, `zsh`, `rbash` and `ksh`.
+> More information: <https://www.gnu.org/software/bash/manual/html_node/History-Interaction>.
+
+- Run the previous command as root (`!!` is replaced by the previous command):
+
+`sudo !!`
+
+- Run a command with the last argument of the previous command:
+
+`{{command}} !$`
+
+- Run a command with the first argument of the previous command:
+
+`{{command}} !^`
+
+- Run the Nth command of the history:
+
+`!{{n}}`
+
+- Run the command `n` lines back in the history:
+
+`!-{{n}}`
+
+- Run the most recent command containing `string`:
+
+`!?{{string}}?`
+
+- Run the previous command, replacing `string1` with `string2`:
+
+`^{{string1}}^{{string2}}^`
+
+- Perform a history expansion, but print the command that would be run instead of actually running it:
+
+`{{!-n}}:p`