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Mainframe operating system Crossword Clue
Here is the answer for the crossword clue Mainframe operating system . We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 4 letters. We think the likely answer to this clue is UNIX.
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Crossword Answer For Mainframe operating system:
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40 Potential Answers:
| Rank | Answer | Length | Source | Date |
|---|---|---|---|---|
| 98% | UNIX Mainframe operating system | (4) | ||
| 3% | RAN Operated | (3) | Commuter | Aug 1, 2026 |
| 3% | UNIVAC Pioneering mainframe | (6) | LA Times Daily | Jun 30, 2026 |
| 3% | IOS Siri's operating system | (3) | Universal | Jun 24, 2026 |
| 3% | DOS MS-___ (early operating system): Abbr. | (3) | ||
| 2% | ISM Belief system | (3) | Commuter | Aug 8, 2026 |
| 2% | ESSO Forecourt operator | (4) | The Telegraph Cross Atlantic | Aug 7, 2026 |
| 2% | UNDER Ready for the operation, maybe | (5) | Wall Street Journal | Aug 6, 2026 |
| 2% | TURNER Lathe operator (6) | (6) | Puzzler | Aug 3, 2026 |
| 2% | AGT FBI operative, for short | (3) |
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We found 40 solutions for Mainframe operating system. The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is UNIX.
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