MCQOPTIONS
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MCQOPTIONS
| 1. |
Which command will delete all the blank lines in file old.txt? |
| A. | sed ‘/d’ old.txt |
| B. | sed ‘/^/d’ old.txt |
| C. | sed ‘/^$/d’ old.txt |
| D. | sed ‘/^*/d’ old.txt |
| Answer» D. sed ‘/^*/d’ old.txt | |