PC with 145 operating systems installed

Do you think having three operating systems installed on your computer—Windows XP, Windows Vista, and Ubuntu—is already a lot? Or perhaps you've also installed a DOS system—would that be enough? It's really nothing. A person named Saikee has installed 145 operating systems on his PC, including three versions of DOS, five versions of Windows, and 137 versions of Linux.

Let’s first take a look at a screenshot of his boot menu options:

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