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When Was the First Operating System Created?

Chloe Bennett • • 2 min read
When Was the First Operating System Created?
Contents

The first operating system used for real work was GM-NAA I/O, produced in 1956 by General Motors’ Research division for its IBM 704.

Is MS-DOS the first operating system?

Microsoft PC-DOS 1.0, the first official version, was released in August 1981. It was designed to operate on the IBM PC. Microsoft PC-DOS 1.1 was released in May 1982, with support for double-sided disks. MS-DOS 1.25 was released in August 1982.

Which is the oldest operating system?

The first operating system used for real work was GM-NAA I/O, produced in 1956 by General Motors’ Research division for its IBM 704. Most other early operating systems for IBM mainframes were also produced by customers.

Chloe Bennett
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Chloe Bennett

Chloe Bennett explores the intersection of pop culture, streaming entertainment, digital trends, and contemporary lifestyle. Her weekly commentary reaches thousands of culture enthusiasts.