Practice Test: Question Set - 01
1. The command used to remove the directory is;
- (A) rmdir
- (B) rd
- (C) remove
- (D) rdir
2. Which of the following keys is used to replace a single character with new text?
- (A) S
- (B) s
- (C) r
- (D) C
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?
- (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
4. Which of the following commands is used to have a two-way communication with any person who is currently logged in?
- (A) mail
- (B) mesg
- (C) write
- (D) grep
5. If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use
- (A) tty ^c
- (B) stty intr
\^c
- (C) stty echoe
- (D) stty echo
\^a
6. Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file?
- (A) ls -F -x
- (B) ls - l
- (C) ls ~ x
- (D) lp
7. Which operator will be used with chmod command to assign absolute permission?
- (A) +
- (B) -
- (C) =
- (D) %
8. Which of the following commands is used to update access and modification times of a file?
- (A) grep
- (B) wc
- (C) touch
- (D) cat
9. Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?
- (A) rm *
- (B) rm -r *
- (C) rm all
- (D) rm *.*
10. Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?
- (A) chmod u-x,
go+r note
- (B) chmod go+r,
u+x note
- (C) chmod g-x,
uo+r note
- (D) chmod go+x,
u-x note
11. Which option is used with rm command to make the command prompt the user with each filename and a ?, before acting on it
- (A) -r
- (B) -x
- (C) -i
- (D) -1
12. The commonly used UNIX commands like date, ls, cat, etc. are stored in
- (A) /dev
directory
- (B) /bin and
/usr/bin directories
- (C) /tmp
directory
- (D) /unix
directory
13. The File that contains a set of instructions which are performed when a user logs in, is
- (A) .exrc
- (B) .profile
- (C) .autoexec
- (D) autoexec.bat
14. Which of the following options will be used to display number of blocks used by a file?
- (A) -c
- (B) -i
- (C) -d
- (D) -s
15. The seventh field of /etc/password is
- (A) password
- (B) login
- (C) shell
- (D) home
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