Introduction to Linux I Chapter 3 Exam

Introduction to Linux I Chapter 3 Exam Answer

  1. Question ID 553

    If you want to see the entire contents of a text file, you can use the _____ command:

    • dog
    • type
    • wc
    • cat
  2. Question ID 554

    The expand and unexpand commands change:

    (choose two)

    • New lines
    • Carriage returns
    • Spaces
    • Tabs
  3. Question ID 555

    The head -n -1 readme.txt command will:

    • Show the first character of every line of readme.txt
    • Display all but the last line of readme.txt
    • Number the lines of readme.txt
    • Display the first line of readme.txt
  4. Question ID 556

    Why would you press CTRL+C when executing tail?

    • To capture the output into a file
    • To complete the processing of a file
    • To stop tail from following a file
    • To get tail to copy the text it is outputting
  5. Question ID 557

    Which command merges two files like related tables in a database?

    • paste
    • join
    • sql
    • query
  6. Question ID 558

    Which command will merge two files together line by line?

    • combo
    • paste
    • join
    • merge
  7. Question ID 559

    Which of the following is a non-interactive editor?

    • ed
    • vi
    • nano
    • sed
  8. Question ID 560

    If you want to break apart a large file into smaller files, you can use:

    • split
    • cat
    • break
    • dump
  9. Question ID 561

    Select the function that the tr command cannot perform:

    • Translate from one set of characters to another
    • Delete specific characters
    • Eliminate duplicate characters
    • Insert characters
  10. Question ID 562

    Which command will remove consecutive duplicate lines from a file?

    • unique
    • uniq
    • dup
    • dedup
  11. Question ID 563

    If you want to extract fields from a file, you can use:

    • cols
    • extract
    • fields
    • cut
  12. Question ID 564

    If you want to set the maximum line width for a text file, you can use:

    • od
    • fmt
    • pager
    • format
  13. Question ID 565

    This command displays binary files in a variety of representations:

    • od
    • format
    • cut
    • cat
  14. Question ID 566

    If you want a file to be displayed with its lines numbered, you can use:

    • nl
    • cut
    • fmt
    • number
  15. Question ID 567

    To put the lines of a file in alphabetical order, you can run:

    • uniq
    • sort
    • cat
    • paste
  16. Question ID 568

    The _____ command provides many options for formatting a file for printing.

    • pr
    • format
    • print
    • header
  17. Question ID 1392

    Two tables have columns with the same field names. What is required in order to join the two tables?

    • Change field names in one of the tables to make it unambiguous
    • Join between such tables cannot be created
    • Create a dummy table which has no common fields
    • Field names must be prefixed by the table name and a period

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