Question: Which Is the First Operating System in the World?
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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.

What was the first operating system?

The first operating system (OS) was created in the early 1950s and was known as GMOS. General Motors has developed OS for the IBM computer.

Who invented the first computer operating system?

‘A real inventor’: UW’s Gary Kildall, father of the PC operating system, honored for key work.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.

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