Section
Linux Desktop
The desktop is where Linux is most visible and least documented. This section covers the parts that change under you — session types, driver updates, scaling, support windows — and what to do on the day one of them stops working.
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X Vs Y
Wayland vs X11: What Actually Stops Working When You Switch
A table of the affected tool categories, what replaced each one, and how to switch back to X11 for a single login if needed
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Norm/Table
How Much RAM GNOME, KDE Plasma and XFCE Really Use on the Same Machine
How to measure it yourself correctly, plus what else on the machine costs more memory than the desktop does
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What To Do If X Failed
Linux Boots to a Black Screen After a Graphics Driver Update: How to Get Back In
A step order that starts with the least destructive option and says which log line proves which cause
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How Long
How Long Each Ubuntu, Fedora and Debian Release Is Actually Supported
One comparison of the three support models plus the command that prints the end-of-life date of the running system
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Norm/Table
Fractional Scaling on Linux: What Is Sharp, What Still Blurs, and Why
A per-toolkit list of what is native, what is scaled, and the environment variables that change it
Older material on this domain, including sponsored placements, lives in the archive.