Linux Essentials – Chapter 06 Exam Answers 2019 + PDF file

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  1. Hidden files are files that begin with what character?
    • A dash (-)
    • A plus (+)
    • A period (.) *
    • An asterisk (*)
  2. What option for the ls command will display all files, including hidden files?
    • -L
    • -H
    • -w
    • -a *
  3. The top-level directory on a Linux system is represented as:
    • /
    • C:
    • /home
    • /root
  4. Is the following path absolute or relative?
    /etc/ppp

    • Absolute*
    • Relative
  5. Is the following path absolute or relative?
    sysadmin/Documents

    • Relative*
    • Absolute
  6. Is the following path absolute or relative?
    ../../home/sysadmin

    • Relative*
    • Absolute
  7. The tilde (~) is used to represent:
    • A user’s home directory*
    • Any two single characters
    • The directory above the current working directory
    • Nothing; it has no special meaning
  8. Which of the following commands can be used to access the home directory of the user “bob” while logged in as root? (choose two)
    • cd /home/bob*
    • cd ~bob*
    • cd &&
    • ~bob
  9. The double dot (..) can be used with the cd command to represent:
    • The directory above the current working directory*
    • Nothing; it has no special meaning.
    • Any two single characters
    • A user’s home directory.
  10. The cd command by itself will take you to what directory?
    • The system root directory
    • None; it is not a valid command
    • The directory above the current working directory
    • Your home directory*
  11. What command will allow you to change your current working directory?
    • chdir
    • list
    • cd *
    • ls
  12. The double dot (..) can be used to represent the directory…
    • …above the current directory.*
    • …below the current directory.
    • …with any two single numbers.
    • …above the current directory only when using the cd command.
  13. The ls command without options or arguments…
    • …generates an error as this command requires arguments.
    • …lists the contents of the current directory.*
    • …prompts for a directory to list.
    • …lists the contents of a user’s home directory.
  14. The first character in a long listing (ls -l) indicates:
    • The permissions
    • If something is a file, directory, or symbolic link*
    • The owner
    • The size
  15. Which option for the ls command, when used in conjunction with the -l option, will display human-readable sizes?
    • -M
    • -S
    • -H
    • -h *
  16. Which of the following commands will prevent any aliased options to the ls command?
    • /ls
    • \ls *
    • %ls
    • ls
  17. The ls command color codes results by default.
    True or False?

    • True
    • False *
  18. The command ls -S will sort files:
    • By size, smallest to largest
    • By number of symlinks, largest to smallest
    • By modification date, newest to oldest
    • By size, largest to smallest*
  19. When using the cp command, you must provide both a source and a destination.
    True or False?

    • True*
    • False
  20. Which option(s) can be used to prevent cp from overwriting an existing file? (choose two)
    • -n *
    • -N
    • -z
    • -i *
  21. The command rm -r will…
    • remove a directory along with any files or subdirectories.*
    • prompt for each confirmation before deleting each file in a directory.
    • remove only empty directories.
    • generate an error; -r isn’t a valid option.
  22. Which option can be used with the rm command to prompt before deleting?
    • -i *
    • I
    • -P
    • A
  23. The rm command can delete multiple files at once.
    True or False?

    • True*
    • False
  24. Which of the following commands can be used to rename a file?
    • name
    • mv*
    • rn
    • cp
  25. The touch command can be used to: (choose two)
    • Create new files*
    • Change a file’s name
    • Update the time stamp of existing files*
    • Change ownership of a file

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