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This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?%! |
A. | chmod u-x, go+r note |
B. | chmod go+r, u+x note |
C. | chmod g-x, uo+r note |
D. | chmod go+x, u-x note |
E. | None of the above |
Answer» B. chmod go+r, u+x note | |
2. |
Which of the following commands is used to display the filenames in multiple columns?%! |
A. | ls |
B. | ls -1 |
C. | ls -x |
D. | lc |
E. | None of the above |
Answer» D. lc | |
3. |
Which of are following internal commands is used in mail to forward mail to user in user-list?%! |
A. | r user-list |
B. | m user-list |
C. | d user-list |
D. | e user-list |
E. | None of the above |
Answer» C. d user-list | |
4. |
Major expressions used with find command to select file is it has been accessed in more than 375 days, is%! |
A. | #NAME? |
B. | #NAME? |
C. | #NAME? |
D. | #NAME? |
E. | None of the above |
Answer» B. #NAME? | |
5. |
The UNIX file system stores a date in physical blocks of |
A. | 1024 bytes |
B. | 2048 bytes |
C. | 512 bytes |
D. | 256 bytes |
E. | None of the above |
Answer» D. 256 bytes | |