When comparing Kubuntu vs SliTaz, the Slant community recommends SliTaz for most people. In the question“What are the best Linux distributions for desktops?” SliTaz is ranked 27th while Kubuntu is ranked 45th. The most important reason people chose SliTaz is:
The core liveCD is only 35 megabytes. The boot-from-internet option fits on a floppy.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Full featured desktop environment that is actively developed
Unlike some abandoned, unfinished distros, Kubuntu is up to date and offers a fully functional desktop environment that targets workstation users.
Pro Stable as hell
Super stable, never crashes.
Pro Good hardware recognition
Pro Everything is highly customizable
Pro It also has paid technical support available
Pro Comes preinstalled in several laptops and desktops
Comes preinstalled in several laptops and desktops. (Tuxedo, Slimbook, laptopWithLinux.com, Kubuntu Focus, Vant and other companies).
Pro An outstanding number of packages and PPAs, backports PPA
Pro Kubuntu Focus Suite provides highly tested, curated ecosystem for pros
Pro Very stable
Kubuntu is very stable, you can easily install the appropriate Nvidia drivers for your machines, and not have dependency problems whatsoever. KDE offers a great user experience, and Dolphin is a great file manager.
Pro Customizable
You can easily adjust the workspace to your needs.
Pro Light
Pro One of the smallest distributions with desktop GUI
The core liveCD is only 35 megabytes. The boot-from-internet option fits on a floppy.
Pro Very fast
Pro Can add desktop effects
SliTaz has a feature called "Desktop Effects" which can add shadow or fade effects to windows.
Pro Very customizable
SliTaz is very customizable. You can programatically edit and change anything you want on how the OS looks or behaves.
Cons
Con Often unstable
There have been several bugs reported. Some of these bugs are: shutting down randomly, refusing to boot, refusing to shut down, menus may act strange, icons may disappear, etc.
Con Install instructions are in French
When first booting SliTaz from a USB or from a Live CD, the installation instructions are in French.
Con Not much variety as to available applications
SliTaz does not have as many applications in its repositories as the bigger distros such as Ubuntu.