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Question
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
Correct Answer
ls -a
Unix problems
Search Results
1. Which shell's wild-cards is used to match a single character?
Options
A. *
B. ?
C. [ijk]
D. [!ijk]
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: ?
2. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: ls | wc -w
3. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: -R
4. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: who
5. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: /
6. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: password
7. Which of the following commands is used to change the working directory?
Options
A. cd
B. changedir
C. chdir
D. cdir
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: cd
8. Which command is used to change directory to the name beginning with a 'p'?
Options
A. cd p
B. cd p?
C. cd p*
D. cd [p]
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: cd p*
9. In Bourne shell, which file sets the Unix environment for the user when the logs into his HOME directory.
Options
A. .exrc
B. .profile
C. lastlogin
D. .mbox
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: .profile
10. The chmod ugo+rw note command can be represented in octal notation as
Options
A. chmod 555 note
B. chmod 666 note
C. chmod 444 note
D. chmod 333 note
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: chmod 666 note
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