Update cheatsheets

alias

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# alias
+
+> Creates aliases -- words that are replaced by a command string.
+> Aliases expire with the current shell session unless defined in the shell's configuration file, e.g. `~/.bashrc`.
+> More information: <https://tldp.org/LDP/abs/html/aliases.html>.
+
+- List all aliases:
+
+`alias`
+
+- Create a generic alias:
+
+`alias {{word}}="{{command}}"`
+
+- View the command associated to a given alias:
+
+`alias {{word}}`
+
+- Remove an aliased command:
+
+`unalias {{word}}`
+
+- Turn `rm` into an interactive command:
+
+`alias {{rm}}="{{rm --interactive}}"`
+
+- Create `la` as a shortcut for `ls --all`:
+
+`alias {{la}}="{{ls --all}}"`