(630) 594-9000

DOS 4.0 & H, 5.25 / 5 1/4″ Floppy Disk

DOS 4.0 & H, 5.25 / 5 1/4″ Floppy Disk. [ a] was a multitasking release of MS-DOS developed by Microsoft based on MS-DOS 2.0. Lack of interest from OEMs, particularly IBM (who previously gave Microsoft multitasking code on IBM PC DOS included with TopView ), led to it being released only in a scaled-back form.

Microsoft MS-DOS Operating System Word 5.25 Inch Floppy Disk

The product is a Microsoft MS-DOS operating system on a 5.25 inch floppy disk. It is designed for use with Microsoft DOS operating systems and is in English language. The package includes one disk and is suitable for one device. This product provides a classic operating system experience for users looking to run vintage software or retrieve data from older computer systems.

DOS 5.0 Vintage Collectible Digital Research 5.25″ Disk DR DOS 5 Rare Open Box

The product is a vintage collectible copy of Digital Research DOS 5.0, stored on a 5.25″ floppy disc. This operating system is in English and specifically designed for use with DOS operating systems. The item is an open box, adding to its rarity and appeal for collectors of vintage software. This item is open box but never used all the disc are factory seal sealed Box does present some wear due to age