Unix problems
- 1. Which command will be used with vi editor to replace text from cursor to right?
Options- A. r
- B. R
- C. s
- D. S
- E. None of the above Discuss
Correct Answer: R
- 2. Which of the following is not a filter?
Options- A. cat
- B. grep
- C. wc
- D. sort
- E. None of the above Discuss
Correct Answer: None of the above
- 3. Which command is used to copy the three files wb, collect and mon into the misc directory, under the same, when you were currently in the programs directory?
Options- A. copy wb ../misc collect ../misc mon ../misc
- B. cp wb collect mon ../misc
- C. copy wb collect mon /misc
- D. tar wb collect mon /misc
- E. None of the above Discuss
Correct Answer: cp wb collect mon ../misc
- 4. The commonly used UNIX commands like date, ls, cat, etc. are stored in
Options- A. /dev directory
- B. /bin and /usr/bin directories
- C. /tmp directory
- D. /unix directory
- E. None of the above Discuss
Correct Answer: /bin and /usr/bin directories
- 5. Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file?
Options- A. ls -F -x
- B. ls -l
- C. ls ~ x
- D. Ip
- E. None of the above Discuss
Correct Answer: ls -F -x
- 6. 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
Correct Answer: cd ..
- 7. 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
Correct Answer: nu
- 8. 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
Correct Answer: ls -l *.lst
- 9. 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
Correct Answer: Bourne shell
- 10. 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
Correct Answer: /
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