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MCQs

Total Questions : 296 | Page 24 of 30 pages
Question 231. Which of the following directories contain all the Alias created by a user, including his login directory?
  1.    /tmp
  2.    /etc
  3.    /usr
  4.    /dev
  5.    None of the above
 Discuss Question
Answer: Option C. -> /usr
Question 232. The % key allows you
  1.    to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.
  2.    to move the cursor to the upperleft corner of the screen
  3.    to move the cursor backward to the beginning of a word
  4.    to move the cursor to the first column in the current line
  5.    None of the above
 Discuss Question
Answer: Option A. -> to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.
Question 233. Which command is used to display the characteristics of a process?
  1.    pid
  2.    du
  3.    ps
  4.    au
  5.    None of the above
 Discuss Question
Answer: Option C. -> ps
Question 234. Which of following commands is used for an automatic reminder service?
  1.    write
  2.    mesg
  3.    calendar
  4.    mail
  5.    None of the above
 Discuss Question
Answer: Option C. -> calendar
Question 235. Which command is used with vi editor scroll half page backward?
  1.    [Control-d]
  2.    [Control - u]
  3.    [Control-c]
  4.    [Control -P]
  5.    None of the above
 Discuss Question
Answer: Option B. -> [Control - u]
Question 236. Which of the following special shell variables is used to process number of the current shell?
  1.    $!
  2.    $$
  3.    $0
  4.    $*
  5.    None of the above
 Discuss Question
Answer: Option B. -> $$
Question 237. Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files?
  1.    -l
  2.    -d
  3.    -r
  4.    -b
  5.    None of the above
 Discuss Question
Answer: Option A. -> -l
Question 238. Which command allows you to view your file 24 lines at a time?
  1.    more
  2.    pg
  3.    cat
  4.    lp
  5.    None of the above
 Discuss Question
Answer: Option B. -> pg
Question 239. Which command is used with vi editor to move cursor forward to first occurrence of character 'ch' in the current line?
  1.    tch
  2.    fch
  3.    rch
  4.    ech
  5.    None of the above
 Discuss Question
Answer: Option B. -> fch
Question 240. Which of the following keys is used to delete the character beneath the cursor?
  1.    x
  2.    X
  3.    dd
  4.    D
  5.    None of the above
 Discuss Question
Answer: Option A. -> x

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