IT 244: Introduction to Linux/Unix
Answers to Class 9 Ungraded Quiz

  1. By default, which account is the owner of a file or directory?
    the account that created it
  2. Name the three types of access permissions.
    read, write and execute
  3. Name the three categories of accounts which are used in assigning access permissions.
    owner, group, everyone else
  4. Who can change the access permissions on a file or directory?
    only the owner
  5. What would you enter on the command line if you wanted to see the access permissions of entries in your current directory?
    ls -l
  6. What is the name of the command you would use to change the access permissions for a file or directory?
  7. Three numbers can be used to specify access permissions when using the command above. Each of these numbers can only be in a certain range. What is the maximum and minimum for each of these three numbers?
    0 to 7
  8. If the file work.shhas the permissions given below, what could the owner of the file do?
    -rwxr-x--x 1 ghoffman grad 0 Sep 27 11:08
    read, write and execute
  9. For the same file, what could the group do?
    read and execute
  10. For the same file, what could every other account do?
    only execute