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MCQs

Total Questions : 274 | Page 22 of 28 pages
Question 211. Which of the following command lists the last 10 lines of a file?
  1.    grep
  2.    tail
  3.    head
  4.    cat
  5.    None of the above
 Discuss Question
Answer: Option B. -> tail
Question 212. What command is used to assign only read permission to all three categories of the file'letter'?
  1.    chmod u + r, g + r, o - x letter
  2.    chmod ugo = r letter
  3.    chmod a - rw letter
  4.    chmod go + r letter
  5.    None of the above
 Discuss Question
Answer: Option B. -> chmod ugo = r letter
Question 213. What command is used to terminate a process?
  1.    kill
  2.    cancel
  3.    haltsys
  4.    shutdown
  5.    None of the above
 Discuss Question
Answer: Option A. -> kill
Question 214. What command is used with vi editor to delete three words?
  1.    3$d
  2.    3 dw
  3.    3 x
  4.    3 dd
  5.    None of the above
 Discuss Question
Answer: Option B. -> 3 dw
Question 215. What command is used with file named 'letter' to remove the executable permission from the user and assign read permission to the group and others?
  1.    chmod go + x, u - x letter
  2.    chmod g - x, uo + r letter
  3.    chmod go + r, u + x letter
  4.    chmod u - x, go + r letter
  5.    None of the above
 Discuss Question
Answer: Option D. -> chmod u - x, go + r letter
Question 216. What command is used to compare the files?
  1.    ccp
  2.    du
  3.    cmp
  4.    comp
  5.    None of the above
 Discuss Question
Answer: Option C. -> cmp
Question 217. What command is used to list the jobs currently in print queues?
  1.    lpq
  2.    lpr
  3.    lprm
  4.    lpc
  5.    None of the above
 Discuss Question
Answer: Option A. -> lpq
Question 218. What command is used to summarize the disk usage?
  1.    disk
  2.    du
  3.    fdisk
  4.    chkdsk
  5.    None of the above
 Discuss Question
Answer: Option B. -> du
Question 219. What command is used to assign executable permission to the owner of the file named "letter"?
  1.    chmod ugo + x letter
  2.    chmod u + x letter
  3.    chmod u + w letter
  4.    chmod g + x letter
  5.    None of the above
 Discuss Question
Answer: Option B. -> chmod u + x letter
Question 220. What does OSS stand for?
  1.    Open System Software
  2.    Original Source Software
  3.    Open Source Software
  4.    Original System Server
  5.    None of the above
 Discuss Question
Answer: Option C. -> Open Source Software

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