Lakshya Education MCQs

Question: Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?
Options:
A.cat emp[!0-9]
B.more [emp][!0-9]
C.cat emp[x-z]
D.cat emp[a-z]
E.None of the above
Answer: Option A

Submit Answer & Explaination

Earn Reward Points by submitting Detailed Explaination for this Question

More Questions on This Topic :

Question 1. The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is
  1.    tee
  2.    tr
  3.    sort
  4.    grep
  5.    None of the above
Answer: Option A
Question 2. Which command is used to remove a file?
  1.    remove
  2.    rm
  3.    mv
  4.    del
  5.    None of the above
Answer: Option B
Question 3. Which symbol is used to separate more than one command in the same command line?
  1.    $
  2.    #
  3.    :
  4.    ;
  5.    None of the above
Answer: Option D
Question 4. Which of the following keys is used to move the cursor to the end of the paragraph.
  1.    }
  2.    {
  3.    |
  4.    $
  5.    None of the above
Answer: Option A
Question 5. Which of the following is not a communication command.
  1.    write
  2.    mesg
  3.    mail
  4.    grep
  5.    None of the above
Answer: Option D
Question 6. If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use
  1.    tty ^c
  2.    stty intr ^c
  3.    stty echoe
  4.    stty echo ^a
  5.    None of the above
Answer: Option B

Check all Questions in this Topic : Click HERE