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Computer Science :: Unix & Linux Basics

  1. What command is used to count the total number of lines, words, and characters contained in a file?

  2. A.

     countw

    B.

     wcount

    C.

     wc

    D.

     count p

    E.

     None of the above


  3. What command is used to remove files?

  4. A.

     dm

    B.

     rm

    C.

     delete

    D.

     erase

    E.

     None of the above


  5. What command is used to remove the directory?

  6. A.

     rdir

    B.

     remove

    C.

     rd

    D.

     rmdir

    E.

     None of the above


  7. What command is used with vi editor to delete a single character?

  8. A.

     x

    B.

     y

    C.

     a

    D.

     z

    E.

     None of the above


  9. What hardware architectures are not supported by Red Hat?

  10. A.

     SPARC

    B.

     IBM-compatible

    C.

     Alpha

    D.

     Macintosh

    E.

     None of the above


  11. The physical layer of a network

  12. A.

     constructs packets of data and sends them across the network

    B.

     controls error detection and correction

    C.

     defines the electrical characteristics of signals passed between the computer and communication devices

    D.

     All of the above

    E.

     None of the above


  13. What TCP/IP protocol is used for remote terminal connection service?

  14. A.

     UDP

    B.

     RARP

    C.

     FTP

    D.

     TELNET

    E.

     None of the above


  15. How many networks and nodes per network, are allowed by the Class B network?

  16. A.

     127 networks and 16,777,216 nodes per network

    B.

     16,384 networks and 65,534 nodes per network

    C.

     2,097,152 networks and 254 nodes per network

    D.

     All of the above

    E.

     None of the above


  17. What service is used to translate domain names to IP addresses?

  18. A.

     NFS

    B.

     SMB

    C.

     NIS

    D.

     DNS

    E.

     None of the above


  19. Which of the following command is used to create a Linux installation hoot floppy?

  20. A.

     mkboot disk

    B.

     bootfp disk

    C.

     ww and rawwrite

    D.

     dd and rawrite

    E.

     None of the above