# bwrap > Run programs in a lightweight sandbox. > More information: . - Run a program in a read-only environment: `bwrap --ro-bind / / {{/bin/bash}}` - Give the environment access to devices, process information and create a `tmpfs` for it: `bwrap --dev-bind /dev /dev --proc /proc --ro-bind / / --tmpfs /tmp {{/bin/bash}}`