rbash

Restricted Bash shell, equivalent to bash --restricted. Does not permit changing the working directory, redirecting command output, or modifying environment variables, among other things. See also histexpand for history expansion. More information: https://www.gnu.org/software/bash/manual/html_node/The-Restricted-Shell.

• Start an interactive shell session:
  rbash
• Execute a command and then exit:
  rbash -c "{{command}}"
• Execute a script:
  rbash {{path/to/script.sh}}
• Execute a script, printing each command before executing it:
  rbash -x {{path/to/script.sh}}
• Execute commands from a script, stopping at the first error:
  rbash -e {{path/to/script.sh}}
• Read and execute commands from stdin:
  rbash -s