Unit 1.3 - Intro to Command Line Interface

Question 1

What are some advantages of virtualization?

Answer 1

Sandboxing
Optimizes use of expensive hardware
Portability/easy restoration of virtual machines

Question 2

What are the 2 main interfaces with operating systems?

Answer 2

Command Line Interface - text based
Graphic User Interface - Uses pictures and menus to display commands

Question 3

What command would you use to find which path you’re currently in?

Answer 3

pwd

Question 4

What command would you use to list the contents of the current directory?

Answer 4

ls

Question 5

What about listing in long format?

Answer 5

ls -l

Question 6

What about listing with hidden files?

Answer 6

ls -a

Question 7

What is the command for copying files?

Answer 7

cp file1 file2

Question 8

What is the command for moving or renaming a file?

Answer 8

mv file1 file2

Question 9

What is the command to create an empty file?

Answer 9

touch filename

Question 10

What is the command to remove a file?

Answer 10

rm filename

Question 11

What is the command to make a directory?

Answer 11

mkdir directoryname

Question 12

What is the command to remove a directory?

Answer 12

rmdir directoryname

Question 13

What is sudo? Why do we use it?

Answer 13

Sudo is the superuser aka root. We use it to be able to run commands as the administrator.