MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Unix knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
______ option is used for compressing multiple consecutive characters. |
| A. | -d |
| B. | -c |
| C. | -n |
| D. | -s |
| Answer» E. | |
| 2. |
Which option is used with tr command for deleting characters? |
| A. | -d |
| B. | -c |
| C. | -n |
| D. | -a |
| Answer» B. -c | |
| 3. |
To replace | with ~, which one of the following commands will be used?a) tr ‘|\’ ‘~-‘b) tr ‘|\’ ‘~-‘ > emp.lstc) tr | ~ emp.lstd) ! Above command will change the case of text from lower to upper. |
| A. | tr ‘|\’ ‘~-‘b) tr ‘|\’ ‘~-‘ > emp.lstc) tr | ~ emp.lstd) ! Above command will change the case of text from lower to upper.a) True |
| B. | tr ‘|\’ ‘~-‘ > emp.lst |
| C. | tr | ~ emp.lst |
| D. | ! Above command will change the case of text from lower to upper.a) Trueb) FalseView Answer |
| Answer» C. tr | ~ emp.lst | |
| 4. |
The output of the following command will be: |
| A. | erroneous |
| B. | output stored in foo2 |
| C. | concatenates both files |
| D. | process foo1 and output is stored in foo2View Answer |
| Answer» E. | |
| 5. |
TO_REPLACE_|_WITH_~,_WHICH_ONE_OF_THE_FOLLOWING_COMMANDS_WILL_BE_USED??$ |
| A. | tr ‘|\’ ‘~-‘ |
| B. | tr ‘|\’ ‘~-‘ > emp.lst |
| C. | tr | ~ emp.lst |
| D. | ! |
| Answer» B. tr ‚Äö√Ñ√∂‚àö√ë‚àö‚â§|\‚Äö√Ñ√∂‚àö√ë‚àö¬• ‚Äö√Ñ√∂‚àö√ë‚àö‚â§~-‚Äö√Ñ√∂‚àö√ë‚àö‚⧠> emp.lst | |
| 6. |
Which command is used for translating characters? |
| A. | sort |
| B. | trans |
| C. | tr |
| D. | paste |
| Answer» C. tr | |
| 7. |
erroneous |
| A. | output stored in foo2 |
| B. | concatenates both files |
| C. | process foo1 and output is stored in foo2 |
| Answer» D. | |
| 8. |
______ option is used for counting frequency of occurrence. |
| A. | -d |
| B. | -c |
| C. | -u |
| D. | -a |
| Answer» C. -u | |
| 9. |
Which option is used for selecting repeated entries? |
| A. | -d |
| B. | -c |
| C. | -u |
| D. | -a |
| Answer» B. -c | |
| 10. |
Which option is used with uniq command for selecting non-repeated lines? |
| A. | -i |
| B. | -c |
| C. | -u |
| D. | -a |
| Answer» D. -a | |
| 11. |
uniq command requires a sorted file as input. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Which command is used for locating repeated and non-repeated lines? |
| A. | sort |
| B. | uniq |
| C. | cut |
| D. | paste |
| Answer» C. cut | |