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  • Question
  • Which of the following is not a communication command.


  • Options
  • A. write
  • B. mesg
  • C. mail
  • D. grep
  • E. None of the above

  • Correct Answer
  • grep 


  • Unix problems


    Search Results


    • 1. The cp command uses:

    • Options
    • A. standard input file
    • B. standard output file
    • C. both input and output file
    • D. neither standard input nor standard output file
    • E. None of the above
    • Discuss
    • 2. While working with mail command, which command is used to save mail in a separate file?

    • Options
    • A. s
    • B. r
    • C. w
    • D. d
    • E. None of the above
    • Discuss
    • 3. Which command is used to remove a file?

    • Options
    • A. remove
    • B. rm
    • C. mv
    • D. del
    • E. None of the above
    • Discuss
    • 4. Which of the following commands is used to display the directory attributes rather than its contents?

    • Options
    • A. ls -l -d
    • B. ls -l
    • C. ls -x
    • D. ls -F
    • E. None of the above
    • Discuss
    • 5. Which command is used to display and create files?

    • Options
    • A. cat
    • B. vi
    • C. ed
    • D. lyrix
    • E. None of the above
    • Discuss
    • 6. Which command is used to display the characteristics of a process?

    • Options
    • A. pid
    • B. du
    • C. ps
    • D. au
    • E. None of the above
    • Discuss
    • 7. Which command will be used with vi editor to insert text to left of cursor?

    • Options
    • A. s
    • B. S
    • C. a
    • D. i
    • E. None of the above
    • Discuss
    • 8. Which command is used to make all files and sub-directories in the directory (progs) executable by all users?

    • Options
    • A. chmod -R a+x progs
    • B. chmod -R 222 progs
    • C. chmod -1 a+x progs
    • D. chmod -x a+x progs
    • E. None of the above
    • Discuss
    • 9. If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use

    • Options
    • A. tty ^c
    • B. stty intr \^c
    • C. stty echoe
    • D. stty echo \^a
    • E. None of the above
    • Discuss
    • 10. Which of the following keys is used to move the cursor to the end of the paragraph.

    • Options
    • A. }
    • B. {
    • C. |
    • D. $
    • E. None of the above
    • Discuss


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