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- Question
Which command will be used with vi editor to replace single character under cursor with any number of characters?
Options- A. s
- B. S
- C. a
- D. i
- E. None of the above
- Correct Answer
- s
- 1. The seventh field of /etc/password is
Options- A. password
- B. login
- C. shell
- D. home
- E. None of the above Discuss
- 2. The command chmod 761 note is equivalent to
Options- A. chmod 167 note
- B. chmod u=rwx, g=rw, o=x note
- C. chmo a =761 note
- D. chmod 4=7, g=6,0 =1 note
- E. None of the above Discuss
- 3. Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?
Options- A. copy programs/wb misc/wbx
- B. cp programs/wb misc/wbx
- C. tar programs/wb misc/wbx
- D. copy a:programs/wb b:misc/wbx
- E. None of the above Discuss
- 4. Which commands is used to assign executable permission to all of the files named "letter"?
Options- A. chmod ugo+r letter
- B. chmod ugo+rw letter
- C. chmod u+x letter
- D. chmod ugo+x letter
- E. None of the above Discuss
- 5. Which command is used to display the device name of the terminal you are using?
Options- A. who
- B. ls
- C. tty
- D. stty
- E. None of the above Discuss
- 6. Which option will be used with disk free command to include the total amount of disk space in the file system?
Options- A. -t
- B. -tt
- C. -4
- D. -i
- E. None of the above Discuss
- 7. Which of the following commands is used to assign executable permission to the owner of the file named "note"?
Options- A. chmod g+x note
- B. chmod u+w note
- C. chmod u+x note
- D. chmod ugo+x note
- E. None of the above Discuss
- 8. Which command is used to copy a file wb with the same name from the programs directory to the misc directory?
Options- A. copy programs/wb misc/wb
- B. cp programs/wb misc
- C. tar programs/wb misc/wb
- D. copy a:programs/wb b:misc/wb
- E. None of the above Discuss
- 9. Which command is used to locate all the .profile files in the system?
Options- A. ls profile
- B. find /-name profile -print
- C. cd /.profile
- D. l -u .profile
- E. None of the above Discuss
- 10. Which command is used to set the three permissions for all the three categories of users of a file?
Options- A. chgrp
- B. chown
- C. chmod
- D. chusr
- E. None of the above Discuss
Unix problems
Search Results
Correct Answer: shell
Correct Answer: chmod u=rwx, g=rw, o=x note
Correct Answer: cp programs/wb misc/wbx
Correct Answer: chmod ugo+x letter
Correct Answer: tty
Correct Answer: -t
Correct Answer: chmod u+x note
Explanation:
Users selection:
u - user: the owner of the file.
g - group: users who are members of the file's group.
o - others: users who are not the owner of the file or members of the group.
a - all: all three of the above, is the same as ugo.
Permissions:
r - read
w - write
x - execute
So, u+x => Execute (x) permission to Owner (u).
u - user: the owner of the file.
g - group: users who are members of the file's group.
o - others: users who are not the owner of the file or members of the group.
a - all: all three of the above, is the same as ugo.
Permissions:
r - read
w - write
x - execute
So, u+x => Execute (x) permission to Owner (u).
Correct Answer: cp programs/wb misc
Correct Answer: find /-name profile -print
Correct Answer: chmod
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