Update cheatsheets

doas

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# doas
+
+> Executes a command as another user.
+> More information: <https://man.openbsd.org/doas>.
+
+- Run a command as root:
+
+`doas {{command}}`
+
+- Run a command as another user:
+
+`doas -u {{user}} {{command}}`
+
+- Launch the default shell as root:
+
+`doas -s`
+
+- Parse a configuration file and check if the execution of a command as another user is allowed:
+
+`doas -C {{config_file}} {{command}}`
+
+- Make `doas` request a password even after it was supplied earlier:
+
+`doas -L`