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MCQs

Total Questions : 296 | Page 27 of 30 pages
Question 261. Which of the following signs is used to back up over typing errors in vi?
  1.    @
  2.    #
  3.    $
  4.    !
  5.    None of the above
 Discuss Question
Answer: Option B. -> #
Question 262. Which operator will be used with chmod command to assign absolute permission?
  1.    +
  2.    -
  3.    =
  4.    %
  5.    None of the above
 Discuss Question
Answer: Option C. -> =
Question 263. Which command is used to terminate all processes in your own system except the login shell?
  1.    kill 1
  2.    kill 0
  3.    cancel all
  4.    cancel 1
  5.    None of the above
 Discuss Question
Answer: Option B. -> kill 0
Question 264. In Bourne shell, which file sets the Unix environment for the user when the logs into his HOME directory.
  1.    .exrc
  2.    .profile
  3.    lastlogin
  4.    .mbox
  5.    None of the above
 Discuss Question
Answer: Option B. -> .profile
Question 265. Which shell's wild-cards is used to match a single character?
  1.    *
  2.    ?
  3.    [ijk]
  4.    [!ijk]
  5.    None of the above
 Discuss Question
Answer: Option B. -> ?
Question 266. Which command is used to copy the three files wb, collect and mon into the misc directory, under the same, when you were currently in the programs directory?
  1.    copy wb ../misc collect ../misc mon ../misc
  2.    cp wb collect mon ../misc
  3.    copy wb collect mon /misc
  4.    tar wb collect mon /misc
  5.    None of the above
 Discuss Question
Answer: Option B. -> cp wb collect mon ../misc
Question 267. The commonly used UNIX commands like date, ls, cat, etc. are stored in
  1.    /dev directory
  2.    /bin and /usr/bin directories
  3.    /tmp directory
  4.    /unix directory
  5.    None of the above
 Discuss Question
Answer: Option B. -> /bin and /usr/bin directories
Question 268. The command chmod 761 note is equivalent to
  1.    chmod 167 note
  2.    chmod u=rwx, g=rw, o=x note
  3.    chmo a =761 note
  4.    chmod 4=7, g=6,0 =1 note
  5.    None of the above
 Discuss Question
Answer: Option B. -> chmod u=rwx, g=rw, o=x note
Question 269. Which command is used to create a directory?
  1.    crdir
  2.    md
  3.    mkdir
  4.    cr
  5.    None of the above
 Discuss Question
Answer: Option C. -> mkdir
Question 270. Which is the earliest and most widely used shell that came with the UNIX system?
  1.    C shell
  2.    Korn shell
  3.    Bourne shell
  4.    Smith shell
  5.    None of the above
 Discuss Question
Answer: Option C. -> Bourne shell

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