If you have gained some Linux skills after using Ubuntu for some time, you may try switching to these distributions to explore the world of Linux distributions further.
Ubuntu is one of the best Linux distributions for beginners. It's an excellent platform for people new to Linux. It is easy to install, has tons of free resources available along with a massive list of applications available for it. https://itsfoss.com/distribution-after-ubuntu/
(Score: 3, Informative) by Anonymous Coward on Saturday March 24 2018, @03:33PM
No /proc, no /sys, good man pages, the base system isn't a hacked together collection, it is a designed set of tools with consistent functionality (and the file hierarchy actually makes sense and is adhered to), no kernel modules, etc.