Lesson 4

Question 1

What are some advantages of using the command-line interface?

Answer 1

Additional administrative and troubleshooting options.
More access to the file system.
Any administrator can run commands as the system administrator user or root, using sudo.

Question 2

Which terminal command should you use to perform the following tasks?

a. Print working directory
b. List
c. Change directory
d. Indicate parent directory
e. Indicate current user home folder
f. Create a folder
g. Run the command with root account access
h. Clear the Terminal screen

Answer 2

a. Print working directory: pwd
b. List: ls
c. Change directory: cd
d. Indicate parent directory: ..
e. Indicate current user home folder: ~
f. Create a folder: mkdir
g. Run the command with root account access: sudo
h. Clear the Terminal screen: clear or press Control-L

Question 3

What are the four parts of a command string?

Answer 3

Command name
Command options
Arguments
Extras

Question 4

Which key should you use if you want to automatically complete filenames, pathnames, and command names?

Answer 4

Tab key