Tiny Core Linux 4.2 is a complete operating system in 64MB or less

“Despite its small size, Tiny Core still includes a graphics
user interface, a few apps, and an app manager that allows you
download software including Firefox, AbiWord, or even GIMP and
LibreOffice (if you decide you don’t really care about file size
that much anyway).

“If you don’t need the GUI, there’s a command-line only version
that’s just 8MB.

“With the launch of Tiny Core 4.2 earlier this month the
developers also released a 64MB CorePlus version which includes a
choice of window managers and other extensions that make it
possible to customize the user experience and add features.”

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