Linux Distributions
1. Debian and distributions based on it use the .deb package format and the dpkg package manager and its frontends. Debian family tree. Ubuntu-based and Knoppix-based.. And Third-party distributions. PC - Servers.. (Linux Mint, Ubuntu, Kubuntu, Knoppix, Pardus....)

2. Red Hat Linux and SUSE Linux were the original major distributions that used the RPM file format, which is today used in several package management systems. Both of these later divided into commercial and community-supported distributions. Red Hat Linux divided into a community-supported distribution sponsored by Red Hat called Fedora, and a commercially supported distribution called.. PC - Servers..
(Red Hat Linux, OpenSUSE, RHEL, Fedora, Mageia, Mandriva Linux, PCLinuxOS, CentOS, Oracle Linux, Red Hat Enterprise Linux....)

3. Gentoo is a distribution designed to have highly optimized and frequently updated software. Distributions based on Gentoo use the Portage package management system with emerge or one of the alternative package managers.. (Gentoo, Sabayon..)

4. Pacman Linux family tree. Pacman-based, Arch-based and Arch Linux-based.. (Arch Linux, Manjaro Linux..)

5. Slackware family tree and Slax-based.. (Slaxware, Salix..)


Graphical Desktop Interfaces
Unity, Cinnamon, GNOME, Enlightenment, KDE Plasma, LXDE, LXQt, Mate, Pantheon, Fluxbox, Sugar, Trinity, Xfce, Budgie, i3-gaps..