SteamOS is a Linux distribution developed by Valve.

Release Discontinued Support
3 In Production Yes
2 Discontinued Ended 4 years and 9 months ago
(30 Jun 2019)
1 Discontinued Ended 12 years ago
(02 Nov 2011)

SteamOS 3 is based on Arch Linux and is the main operating system for the Steam Deck. SteamOS 1 and 2 was based on Debian and was used on Steam Machines.

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