SEALED Vintage IBM DOS 4.00 Disk Operating System 1988 BIG BOX 3.5\" Floppy For Sale

SEALED Vintage IBM DOS 4.00 Disk Operating System 1988 BIG BOX 3.5\
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SEALED Vintage IBM DOS 4.00 Disk Operating System 1988 BIG BOX 3.5\" Floppy:
$16.00

The SEALED Vintage IBM DOS 4.00 Disk Operating System from 1988 comes in a big box with a 3.5\" floppy for installation. This classic operating system by IBM is designed for use with IBM DOS systems, requiring a minimum of 4 MB of RAM and a 66 MHz processor speed. With a retail license category, this English-language operating system is a valuable collector\'s item for those interested in vintage computer technology.
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