os-subreddit

r/dragonflybsd: DragonFly belongs to the same class of operating systems as other BSD-derived systems and Linux. It is based on the same UNIX ideals …

r/Windows11: Welcome to the largest community for Windows 11, Microsoft's latest computer operating system! This is not a tech support subreddit …

r/windowsxp:

r/windows7: This community is dedicated to Windows 7 which is a personal computer operating system released by Microsoft as part of the Windows NT …

r/Windows10: Welcome to the largest community for Microsoft Windows 10, the world's most popular computer operating system! This is not a tech …

r/chromeos: The largest independent, community-run forum for discussions related to Chromebooks and everything else ChromeOS.

r/MacOS: Reddit’s Home to Apple's Latest Operating System!