MCQOPTIONS
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MCQOPTIONS
| 1. |
Unix command to change the case of first three lines of file “shortlist” from lower to upper |
| A. | $ tr ‘[a-z]’ ‘[A-Z]’ shortlist | head-3 |
| B. | $ head-3 shortlist | tr ‘[a-z]’ ‘[A-Z]’ |
| C. | $ tr head-3 shortlist ‘[A-Z]’ ‘[a-z]’ |
| D. | $ tr shortlist head-3 ‘[a-z]’ ‘[A-Z]’ |
| Answer» C. $ tr head-3 shortlist ‘[A-Z]’ ‘[a-z]’ | |