Introduction to Linux I Chapter 13 Exam Answer 2016

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1. Which are valid link types in Linux?

(choose two)

  • Filesystem links
  • Stable links
  • Hard links
  • Soft links

2. The output of the ls -l command includes “/etc/grub.conf -> ../boot/grub/grub.conf”. Based on this information, which is the soft link file?

  • ../boot/grub/grub.conf
  • Both
  • Neither
  • /etc/grub.conf

3. Which of the following commands will create a soft link from the /tmp/test file to the /tmp/data file?

  • ln /tmp/test /tmp/data
  • ln /tmp/data /tmp/test
  • ln -s /tmp/test /tmp/data
  • ln -s /tmp/data /tmp/test

4. Which of the following commands will create a hard link from the /tmp/test file to the /tmp/data file?

  • ln -s /tmp/data /tmp/test
  • ln /tmp/data /tmp/test
  • ln /tmp/test /tmp/data
  • ln -s /tmp/test /tmp/data

5. What permissions are typically placed on soft link files?

  • ———
  • rw-rw-rw-
  • rwxrwxrwx
  • rwx——

6. When you create a soft link, it increases the hard link count by one.

True or False?

  • True
  • False

7. When you create a hard link, it increases the hard link count by one.

True or False?

  • True
  • False

8. Which is true about hard links?

  • They are created with the ln -s command
  • They share inodes
  • They can only be created by the root user
  • They can be made to directories

9. What option to the find command allows you to search for files by inode numbers?

  • -links
  • -ipath
  • -inum
  • -mtime

10. If you have 5 hard linked files and you delete four of them including the original one, then:

  • The file still exists, but the data in the file is deleted
  • You lose the data from the file
  • The hard link count goes to 0
  • The data is still available from the remaining file

11. If you have a file named /tmp/hosts pointing to a file named /etc/hosts and the /etc/hosts file is deleted, then which of the following statements is true?

  • The /tmp/hosts file now points to nothing
  • You can still access the data by using /tmp/hosts
  • The data from /etc/hosts is automatically copied into /tmp/hosts before /etc/hosts is deleted
  • It is not possible to delete the /etc/hosts file while a soft link is pointing to it

12. Which value represents the inode number in the following output of the ls -li command: 87589 -rw-r–r–. 2 root root 83 Mar 4 22:45 myhosts

  • 22:45
  • 83
  • 2
  • 87589

13. Which value represents the hard link count in the following output of the ls -li command: 87589 -rw-r–r–. 2 root root 83 Mar 4 22:45 myhosts

  • 87589
  • 2
  • 22:45
  • 83

14. A soft link is also called a _____ link.

  • symbolic
  • indirect
  • true
  • false

15. Which type of link can be made to a file on another filesystem, hard or soft?

  • soft
  • hard

16. Which type of link can be made to directories, hard or soft?

  • hard
  • soft

17. Which type of link is easier to visually “see”, hard or soft?

  • hard
  • soft

18. Which type of link is indistinguishable by programs from regular files, hard or soft?

  • soft
  • hard

19. Which option to the ls command displays the inode numbers of files?

  • -inum
  • -i
  • -l
  • -N

20. When viewing a file with the ls -l command, which character represents a file type of soft link?

  • d
  • f
  • l

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