Installing Linux apps on Chromebooks is a bit more complicated than installing Android ones. Here's a guide on how to do it.

Opening a .deb file on Chrome OS Canary (source) On most Debian-based Linux distributions, users can double-click on .deb packages to install them.

Linux’s RPM/deb split could be replaced by Flatpak vs. snap Red Hat developer's Flatpak installs apps on Fedora, Ubuntu, and other distros.