IT 244: Introduction to Linux/Unix
Answers to Class 10 Ungraded Quiz

  1. What is the name of the account that can do anything on a Unix or Linux system?
    root
  2. If you have read permission on a directory, what can you do in it?
    run ls on the directory to list its contents
  3. If you have read permission on a directory, can you read the files in that directory?
    no, you need read permission on each file
  4. If you have write permission on a directory, what can you do in that directory?
    create a file or directory, delete a file or directory, rename a file or directory inside the directory
  5. If you have write permission on a directory do you have write permission on the files it contains?
    no, you need write permission on each file
  6. If you have execute permission on a directory what can you do?
    cd into that directory
  7. What is a link?
    a file that points to another file or directory
  8. What are the two kinds of links?
    hard links and soft links
  9. What kind of link is used most often?
    soft links
  10. What command would you use to create a soft link named "home" in your current directory to your home directory?
    ln  -s  ~  home