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1988 IBM Disk Operating System Version 4.00 (2) 3.5″ Diskettes

The 1988 IBM Disk Operating System Version 4.00 is an English-language operating system designed for IBM OS/2. It comes on a set of two 3.5″ floppy diskettes, making it a portable and easily transferable option for users. This vintage software is a collectible piece from the United States, offering a glimpse into the early days of personal computing technology. Perfect for those looking to experience the nostalgia of operating systems from the late 80s, this IBM DOS version 4.00 is a unique addition to any tech enthusiast’s collection.