EARLY OPERATING SYSTEM Crossword Clue

The most common solution for the crossword clue "EARLY OPERATING SYSTEM" are UNIX with 4 letters.
We know 2 solutions for: EARLY OPERATING SYSTEM
Crossword Puzzle Infos
The term 'Early Operating System' refers to two of the earliest operating systems, UNIX and DOS. UNIX is a multi-user, multitasking operating system developed in the 1970s by Bell Labs. It was the first operating system to be written in a high-level programming language, making it more user-friendly than its predecessors. DOS, or Disk Operating System, was developed by Microsoft in the 1980s. It was the first operating system to be widely used on personal computers, and it was the foundation for the Windows operating system.
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