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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.
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% | RUN Operate | (3) | Universal | Aug 20, 2025 |
| 3% | TRON 1982 film set inside a mainframe | (4) | LA Times Daily | Aug 14, 2025 |
| 3% | DOS Disk operating system, in short | (3) | ||
| 3% | IOS Apple operating system | (3) | The Telegraph Cross Atlantic | Jun 27, 2025 |
| 3% | HACK Breach the mainframe, maybe | (4) | ||
| 2% | DEWEY __ decimal system | (5) | LA Times Daily | Sep 4, 2025 |
| 2% | INBUSINESS Operating commercially | (10) | Universal | Sep 3, 2025 |
| 2% | CREDO Operating principle | (5) | LA Times Daily | Sep 2, 2025 |
| 2% | HAM Amateur radio operator | (3) | The Telegraph Quick | Aug 31, 2025 |
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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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