Discussion
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- Question
Which of the following commands can be used to get information about all users who are currently logged into the system?
Options- A. which
- B. who
- C. who am i
- D. 1 /u
- E. None of the above
- Correct Answer
- who
- 1. Which command is used with vi editor to search a pattern in the forward direction?
Options- A. /
- B. ?
- C. //
- D. ??
- E. None of the above Discuss
- 2. Which is the earliest and most widely used shell that came with the UNIX system?
Options- A. C shell
- B. Korn shell
- C. Bourne shell
- D. Smith shell
- E. None of the above Discuss
- 3. Which command is used to list all the files with extension .lst?
Options- A. ls -l *.lst
- B. ls lst*
- C. ls *.*
- D. ls *[lst]
- E. None of the above Discuss
- 4. Which set option is used with vi editor to display line numbers on screen?
Options- A. nm
- B. nu
- C. ic
- D. li
- E. None of the above Discuss
- 5. Which of the following commands is used to get directory one level up?
Options- A. cd
- B. cd ..
- C. cd/
- D. chdir
- E. None of the above Discuss
- 6. Which option is used with the chmod command recursively to all files and sub-directories in a directory?
Options- A. -1
- B. -i
- C. -x
- D. -R
- E. None of the above Discuss
- 7. The command to count the number of files in the current directory by using pipes, is
Options- A. ls | wc
- B. ls -l | wc -l
- C. ls | wc -w
- D. ls | ws -c
- E. None of the above Discuss
- 8. Which shell's wild-cards is used to match a single character?
Options- A. *
- B. ?
- C. [ijk]
- D. [!ijk]
- E. None of the above Discuss
- 9. Which command is used to list out all the hidden files along with the other files?
Options- A. ls -l
- B. ls -x
- C. ls -F
- D. ls -a
- E. None of the above Discuss
- 10. Which of the following files contains information related to password aging?
Options- A. Shadow
- B. password
- C. profile
- D. All the three
- E. None of the above Discuss
Unix problems
Search Results
Correct Answer: /
Correct Answer: Bourne shell
Correct Answer: ls -l *.lst
Correct Answer: nu
Correct Answer: cd ..
Correct Answer: -R
Correct Answer: ls | wc -w
Correct Answer: ?
Correct Answer: ls -a
Correct Answer: password
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