From Computer History Wiki
|Multitasking:||Multitasking with paging/swap|
|Architecture:||Originally 80386 now cross-platform.|
Linux is a computer operating system originally developed in the 1990s by a student Linus Torvalds. Today's Linux systems are split into various branches, developed over time by millions of volunteers, Debian, Ubuntu, RedHat, IBM as well as various commercial vendors.
Versions of relevance for hobbyists include: