Unix problems
- 1. Which of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note?
Options- A. chmod 761 note
- B. chmod 671 note
- C. chmod 167 note
- D. chmod 4=rwx, g=rw note
- E. None of the above Discuss
Correct Answer: chmod 761 note
- 2. If a file has read and write permissions for the owner, then the octal representation of the permissions will be
Options- A. 1
- B. 6
- C. 5
- D. 3
- E. None of the above Discuss
Correct Answer: 6
- 3. Which of the following commands can be used to get information about yourself?
Options- A. who am i
- B. i /4
- C. pwd
- D. which
- E. None of the above Discuss
Correct Answer: who am i
- 4. Which of the following commands is used to rename a file?
Options- A. rename
- B. remove
- C. mv
- D. ren
- E. None of the above Discuss
Correct Answer: mv
- 5. The ls -l command tells
Options- A. who the owner of the file is
- B. the name of the group owner of the file
- C. how large the file is and when the file was last modified.
- D. All of the above
- E. None of the above Discuss
Correct Answer: All of the above
- 6. Which of the following keys is used to overstrike a whole line?
Options- A. R
- B. v
- C. C
- D. u
- E. None of the above Discuss
Correct Answer: R
- 7. Which of the following set options is used with vi editor to ignore case while searching for patterns?
Options- A. ic
- B. ai
- C. sm
- D. ts
- E. None of the above Discuss
Correct Answer: ic
- 8. Which of the following is invalid filename?
Options- A. shutry
- B. TRY
- C. trial
- D. my .file
- E. None of the above Discuss
Correct Answer: None of the above
- 9. Which of the following commands is used to view your file 24 lines at a time?
Options- A. pg
- B. cat
- C. lp
- D. /p
- E. None of the above Discuss
Correct Answer: pg
- 10. Which of the following commands is used to summarize the disk usage?
Options- A. chkdsk
- B. fdisk
- C. du
- D. disk
- E. None of the above Discuss
Correct Answer: du
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