"Sounds like it's pretty much all good news. Being able to boot multiple systems clearly shows how it really is just a small-form factor PC, that will come with #SteamOS (based on Arch Linux) by default. Users will be able to do whatever they want with it." https://www.gamingonlinux.com/2021/09/valve-answer-questions-about-the-steam-deck-in-a-new-faq-anti-cheat-for-all-linux-systems
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