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.

The easiest way to install Linux apps on Chrome OS these days is to find what’s known as a Debian file — a special kind of installation package that ends in a .deb extension.

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.