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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% | IOS Apple operating system | (3) | The Telegraph Cross Atlantic | Oct 4, 2026 |
| 3% | AFOOT In operation | (5) | The Telegraph Cross Atlantic | Sep 18, 2026 |
| 3% | ADIOS Extremely advanced operating system is so long (5) | (5) | The Guardian Quiptic | Sep 13, 2026 |
| 3% | RAN Operated | (3) | Universal | Sep 9, 2026 |
| 2% | USER Consumer or operator | (4) | Puzzler Backwords | Oct 10, 2026 |
| 2% | ECO Prefix for system or tourism | (3) | The Telegraph Cross Atlantic | Oct 10, 2026 |
| 2% | SUN Center of the solar system | (3) | ||
| 2% | ELO Chess rating system | (3) | The Telegraph Cross Atlantic | Oct 7, 2026 |
| 2% | CREDO System of belief | (5) | Puzzler Backwords | Oct 5, 2026 |
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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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