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Home Computer Science Unix See What Others Are Saying!
  • Question
  • Which command is used to extract specific columns from the file?


  • Options
  • A. cat
  • B. cut
  • C. grep
  • D. paste
  • E. None of the above

  • Correct Answer
  • cut 


  • More questions

    • 1. You're on your PC at midnight and an electric storm pops up. What's the best way to protect your PC.

    • Options
    • A. you don't worry; you have a lightning rod on your house
    • B. you don't worry; you've got a surge protector on your PC
    • C. you don't worry; you've got a surge protector on your PC and phone line to your modem
    • D. unplug the PC and remove phone line from the modem
    • E. stop standing on it
    • Discuss
    • 2. If the values Earliest time and Latest time of an event are not equal then such events are referred to as:

    • Options
    • A. critical
    • B. optimum
    • C. non-critical
    • D. All of the above
    • E. None of the above
    • Discuss
    • 3. Which of the following is part of the decision-making process?

    • Options
    • A. problem identification
    • B. alternative selection
    • C. problem recognition
    • D. action
    • E. all of the above
    • Discuss
    • 4. What command is used to terminate a process?

    • Options
    • A. kill
    • B. cancel
    • C. haltsys
    • D. shutdown
    • E. None of the above
    • Discuss
    • 5. What command is used to change the working directory?

    • Options
    • A. cdir
    • B. chdir
    • C. changedir
    • D. cd
    • E. None of the above
    • Discuss
    • 6. Brad is in charge of a small network and wants to make it simple but secure. The users want to have full control over their data and still be able to share data with the rest of the office. The networking knowledge of the office staff is excellent. Which network(s) would be the best to set up?

    • Options
    • A. Peer-to-peer
    • B. Master domain
    • C. Server-based
    • D. Ethernet
    • E. Share-level
    • Discuss
    • 7. The location of some system configuration and system administrator executable files, is:

    • Options
    • A. /home
    • B. /proc
    • C. /var
    • D. /sbin
    • E. None of the above
    • Discuss
    • 8. Header labels contain

    • Options
    • A. creation data
    • B. control totals
    • C. both (a) and (b)
    • D. neither (a) nor (b)
    • E. None of the above
    • Discuss
    • 9. The control and arithmetic-logic sections are called the _____

    • Options
    • A. Block diagram
    • B. Control Unit
    • C. Input / Output Unit
    • D. Central Processing Unit
    • E. None of the above
    • Discuss
    • 10. In order to increase the amount of memory available for a system, what is the maximum size of a swap partition (with kernel version 2.2.x)?

    • Options
    • A. 2GB
    • B. 128MB
    • C. 64MB
    • D. 32MB
    • E. None of the above
    • Discuss


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