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- Question
Which of the following shell's wildcards are used to match any number of characters including none?
Options- A. [ijk]
- B. [!ijk]
- C. ?
- D. *
- E. None of the above
- Correct Answer
- *
- 1. The cat command is used to
Options- A. capture a file
- B. display a file
- C. print a file
- D. copy a file
- E. None of the above Discuss
- 2. The command used to remove the directory is;
Options- A. rmdir
- B. rd
- C. remove
- D. rdir
- E. None of the above Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. Which of following commands is used for an automatic reminder service?
Options- A. write
- B. mesg
- C. calendar
- D. mail
- E. None of the above Discuss
- 7. Which symbol will be used with grep command to match the pattern pat at the end of a line?
Options- A. ^pat
- B. $pat
- C. pat$
- D. pat^
- E. None of the above Discuss
- 8. 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
- 9. 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
- 10. 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
Unix problems
Search Results
Correct Answer: display a file
Correct Answer: rmdir
Correct Answer: Write permission for others
Correct Answer: chmod ugo=r note
Correct Answer: .profile
Correct Answer: calendar
Correct Answer: pat$
Correct Answer: both read and write permissions
Correct Answer: h
Correct Answer: [Control - u]
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