Linux has surpassed 5% desktop market share in the US (5.03% in June 2025), per StatCounter, driven by privacy concerns, rising costs of Windows/macOS, and user-friendly distros like Ubuntu. Community celebrates amid gaming and enterprise boosts, though challenges like software gaps persist; analysts eye 7% by 2027.
Unless they track Steam Deck specific fingerprints the OS may be classified as Arch, but either way: yes, every Steam Deck counts as a Linux system out of the box.