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