Unix problems
- 1. Which command will be used with vi editor to append text at end of line?
Options- A. A
- B. a
- C. i
- D. I
- E. None of the above Discuss
Correct Answer: A
- 2. Which of command is used to copy a file?
Options- A. copy
- B. cp
- C. cpio
- D. tar
- E. None of the above Discuss
Correct Answer: cp
- 3. 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?
Options- 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 Discuss
Correct Answer: chmod u-x, go+r note
- 4. Which of the following commands is used to remove files?
Options- A. erase
- B. delete
- C. rm
- D. dm
- E. . None of the above Discuss
Correct Answer: rm
- 5. Which command is used to link the files?
Options- A. lk
- B. ln
- C. cp
- D. tar
- E. None of the above Discuss
Correct Answer: ln
- 6. Which of the following commands is not the vi Input mode command?
Options- A. rch
- B. R
- C. S
- D. j
- E. None of the above Discuss
Correct Answer: j
- 7. Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it?
Options- A. who | tee user.lst
- B. who > user.lst
- C. who >> user.lst
- D. who < user.lste
- E. None of the above Discuss
Correct Answer: who | tee user.lst
- 8. The File that contains a set of instructions which are performed when a user logs in, is
Options- A. .exrc
- B. .profile
- C. .autoexec
- D. autoexec.bat
- E. None of the above Discuss
Correct Answer: .profile
- 9. Which command is used to assign only read permission to all three categories of the file 'note'?
Options- A. chmod go+r note
- B. chmod a-rw
- C. chmod ugo=r note
- D. chmod u+r,g+r,o-x note
- E. None of the above Discuss
Correct Answer: chmod ugo=r note
- 10. The octal representation 652 indicates
Options- A. Execute permission for the owner
- B. Write permission for others
- C. Read and write permission of groups
- D. All of the above
- E. None of the above Discuss
Correct Answer: Write permission for others
More in Computer Science:
Programming
Copyright ©CuriousTab. All rights reserved.