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| Q. |
who cut –d ” ” -f1 what is the ouput if the who command displays like this user1 tty 0 1234 |
| A. | user1 |
| B. | user1 tty 0 1234 |
| C. | tty |
| D. | tty 0 1234 |
| Answer» A. user1 | |
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