bash, dash, fish, ksh, rbash, sh, zsh: refresh (#5714)

pages/common/dash.md

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+# dash
+
+> Debian Almquist Shell, a modern, POSIX-compliant implementation of `sh` (not Bash-compatible).
+> More information: <https://manned.org/dash>.
+
+- Start an interactive shell session:
+
+`dash`
+
+- Execute a command and then exit:
+
+`dash -c "{{command}}"`
+
+- Execute a script:
+
+`dash {{path/to/script.sh}}`
+
+- Run commands from a script, printing each command before executing it:
+
+`dash -x {{path/to/script.sh}}`
+
+- Execute commands from a script, stopping at the first error:
+
+`dash -e {{path/to/script.sh}}`
+
+- Read and execute commands from stdin:
+
+`dash -s`