Update cheatsheets

bash

@@ -0,0 +1,42 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# bash
+
+> Bourne-Again SHell, an `sh`-compatible command-line interpreter.
+> See also: `zsh`, `histexpand` (history expansion).
+> More information: <https://www.gnu.org/software/bash/>.
+
+- Start an interactive shell session:
+
+`bash`
+
+- Start an interactive shell session without loading startup configs:
+
+`bash --norc`
+
+- Execute specific [c]ommands:
+
+`bash -c "{{echo 'bash is executed'}}"`
+
+- Execute a specific script:
+
+`bash {{path/to/script.sh}}`
+
+- E[x]ecute a specific script, printing each command before executing it:
+
+`bash -x {{path/to/script.sh}}`
+
+- Execute a specific script and stop at the first [e]rror:
+
+`bash -e {{path/to/script.sh}}`
+
+- Execute specific commands from `stdin`:
+
+`{{echo "echo 'bash is executed'"}} | bash`
+
+- Start a [r]estricted shell session:
+
+`bash -r`