# debootstrap > Create a basic Debian system. > More information: . - Create a Debian stable release system inside the `debian-root` directory: `sudo debootstrap stable {{path/to/debian-root/}} http://deb.debian.org/debian` - Create an Ubuntu 20.04 system inside the `focal-root` directory with a local mirror: `sudo debootstrap focal {{path/to/focal-root/}} {{file:///path/to/mirror/}}` - Switch to a bootstrapped system: `sudo chroot {{path/to/root}}` - List available releases: `ls /usr/share/debootstrap/scripts/`