Linux MCQs with answers Page - 44

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Q. Which option of ls command used to view file inode number ?

  • (A) –i
  • (B) –a
  • (C) -o
  • (D) –l

A

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Q. The commonly used UNIX commands like date, Is, cat, etc. are stored in

  • (A) /tmp directory
  • (B) /unixdirecotry
  • (C) /bin and /usr/bin directories
  • (D) /dev directory

A

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Q. Which command is used to concatenate all files beginning with the string ‘emp’ and followed by non-numeric characters?

  • (A) catemp[a-z]
  • (B) cateemp[x-z]
  • (C) more [emp][!0-9]
  • (D) catemp{!0-9]

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Q. Which command will be used to match the pattern agarwal, Aggarwal, Agggarwal and agrawal in the file named empl.1st?

  • (A) grep “[aA]99*[ar][ra]wal” empl.1st
  • (B) grepag[ra][ar]wal empl.1st
  • (C) cutagrawal empl.1st
  • (D) grepag* empl.1st

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Q. Which command is used to select those lines where the data lies between 7000 and 7999 at the end of the line of file empl.lit.

  • (A) grep ^7… empl.1st
  • (B) grep “7…$” empl.1st
  • (C) grep “7…^” empl.1st
  • (D) grep “$7…” empl.1st

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Q. Which command is used to select those lines that begin with a 2 in the tre file empl.1st?

  • (A) grep “2^” empl.1st
  • (B) grep “7^” empl.1st
  • (C) grep “2…” empl.1st
  • (D) grep “^2” empl.1st

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Q. Which of the following commands is used to update access and modification times of a file?

  • (A) cat
  • (B) touch
  • (C) wc
  • (D) grep

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Q. The command that can be used to restrict incoming messages to a user is

  • (A) sleep
  • (B) grep
  • (C) halt
  • (D) mesg

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Q. The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is

  • (A) grep
  • (B) tr
  • (C) sort
  • (D) tee

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Q. What command is used to save the standard output in a file, as well as display it on the terminal?

  • (A) more
  • (B) cat
  • (C) grep
  • (D) tee

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