1. Which three permissions are used for Linux files?
2. Which three types of ownership are defined for Linux files?
3. Which command is used to change the permissions on a file?
4. What mechanism controls the default permissions for newly created files?
5. How is the following symbolic permission described in octal: rwxrw-r--?
6. How is the following octal permission described symbolically: 0644?
7. Which command allows us to gain superuser privileges?
8. Which commands can we use to change ownership for a file?
9. How can we arrange for multiple users to share access to files?
10. Which types of advanced permissions does Linux have?