16. The following command can be used to view the help (how-to-use) documentation for a given Linux Command.

a) Man
b) Doc
c) Show
d) Help

17. Linux is one of the most well-known “open source” operating systems.
a) True
b) False

18. All of the following are the resources that an operating system needs to manage except for:
a) Input/output devices
b) Processors
c) Files and file system
d) Remote servers

19. You could use the following paths to navigate Linux directories:
a) Relative, Guaranteed
b) Absolute, relative
c) Easy, complex
d) Absolute, direct

20. GNU is a computer operating system composed entirely of free software.
a) True
b) False

16. a) Man

17. a) True
18. d) Remote servers
19. b) Absolute, relative
20. a) True