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- Question
Which of the following keys is used to delete the character beneath the cursor?
Options- A. x
- B. X
- C. dd
- D. D
- E. None of the above
- Correct Answer
- x
- 1. Which of the following command is used to go to home directory?
Options- A. cd..
- B. cd/
- C. cd
- D. cd HOME.
- E. None of the above Discuss
- 2. Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files?
Options- A. -l
- B. -d
- C. -r
- D. -b
- E. None of the above Discuss
- 3. Which command is used with vi editor scroll half page backward?
Options- A. [Control-d]
- B. [Control - u]
- C. [Control-c]
- D. [Control -P]
- E. None of the above Discuss
- 4. Which command is used with vi editor to move the cursor to the left?
Options- A. i
- B. j
- C. k
- D. h
- E. None of the above Discuss
- 5. The first set of the three permissions (rw) pertains to the owner of the file, indicating that the owner has
Options- A. executable permission only
- B. write and executable permissions
- C. both read and executable permissions.
- D. both read and write permissions
- E. None of the above Discuss
- 6. Which of are following internal commands is used in mail to forward mail to user in user-list?
Options- A. r user-list
- B. m user-list
- C. d user-list
- D. e user-list
- E. None of the above Discuss
- 7. Which of the following command is used to count just the number of lines contained in a file?
Options- A. wc -l
- B. wc -c
- C. wc -w
- D. wc -r
- E. None of the above Discuss
- 8. Which of the following special shell variables is used to process number of the current shell?
Options- A. $!
- B. $$
- C. $0
- D. $*
- E. None of the above Discuss
- 9. Which of the following signs is used to back up over typing errors in vi?
Options- A. @
- B. #
- C. $
- D. !
- E. None of the above Discuss
- 10. Which command is used to move all files to the bin sub-directory of the parent directory?
Options- A. mv *.* /bin/
- B. mv * /bin/*
- C. mv * ../bin
- D. mv * ../bin *.*
- E. None of the above Discuss
Unix problems
Search Results
Correct Answer: cd
Correct Answer: -l
Correct Answer: [Control - u]
Correct Answer: h
Correct Answer: both read and write permissions
Correct Answer: m user-list
Correct Answer: wc -l
Correct Answer: $$
Correct Answer: #
Correct Answer: mv * ../bin
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