Can't figure out Operating system developed at Bell Labs? The Universal crossword from September 10, 2025 used this clue. Answer: 4 letters.
Operating system developed at Bell Labs Crossword Answer
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Hints
Hint 1
meaning
Hint 2
clue words
Hint 3
anagram
Other Universal Clues (9/10/25)
| 1A: ___-to-___ (in person) |
| 5A: On a grand scale |
| 9A: Included on an email |
| 13A: Elemental unit |
| 14A: Buckwheat noodles |
| 15A: Madrid art museum |
| 16A: Unofficial opinion sampling |
| 18A: 1:1, e.g. |
| 19A: Disney princess who sings "Almost There" |
| 20A: Title for MLK |
Operating system developed at Bell Labs Crossword Clue FAQ
What is the 4-letter answer to "Operating system developed at Bell Labs" crossword clue?
The answer to the "Operating system developed at Bell Labs" crossword clue is UNIX. This answer contains 4 letters and was confirmed in the Universal puzzle.
Which crossword used "Operating system developed at Bell Labs" clue?
This crossword clue most recently appeared in the Universal puzzle on September 10, 2025. Daily crossword puzzles often reuse popular clues, so this clue may appear again in future puzzles from the same publication or others.
What is the meaning of UNIX?
The word UNIX means: trademark for a powerful operating system. This definition provides context for why it fits the crossword clue "Operating system developed at Bell Labs".