Approved: Fedora 33 Desktop Variants Defaulting To Btrfs The change calls for desktop variants (including the likes of laptops and workstations) to use Btrfs for experiencing modern file-system features in a "transparent fashion" and "We want to add new features, while reducing the amount of expertise needed to deal with situations like running out of disk space. Btrfs is well adapted to this role by How to check os version in Linux command line - nixCraft Jan 07, 2018 Best lightweight Linux distro of 2020 | TechRadar Jun 12, 2019

Variants of Red Hat Enterprise Linux. RHEL is available in multiple variants, each targeting a different group of users, offering a unique assortment of features, and including a certain level of customer support.

The table below summarizes some of the common UNIX variants and clones. While the table lists about forty different variants, the UNIX world isn't nearly as diverse as it used to be. Some of them are defunct and are listed for historical purposes. Others are on their way out. In some cases, vendors have defected to Microsoft technology.

Two main families of shell exist: the Bourne shell and its variants (sh, bash, ksh) and the C shell and its variants (csh, tcsh). Though many shells have features common to others, the way they make use of those features is unique, so that (for example) Bourne shell conventions don't usually apply to C shells.

Two main families of shell exist: the Bourne shell and its variants (sh, bash, ksh) and the C shell and its variants (csh, tcsh). Though many shells have features common to others, the way they make use of those features is unique, so that (for example) Bourne shell conventions don't usually apply to C shells. Amazon.com: Linux for Beginners: Introduction to Linux and Nov 18, 2019