Command line

Question 1

What is a CLI?

Answer 1

command line interface

Question 2

What is a GUI?

Answer 2

graphical user interface; aimed at consumers of technology; example is a browser window

Question 3

Give at least one use case for man

Answer 3

look up manual for ls command

Question 4

Give at least one use case for cat

Answer 4

view contents of specific file

Question 5

Give at least one use case for ls

Answer 5

list directory contents

Question 6

Give at least one use case for pwd

Answer 6

print current working directory

Question 7

Give at least one use case for echo

Answer 7

display a line of text on terminal

Question 8

Give at least one use case for touch

Answer 8

change file timestamps

Question 9

Give at least one use case for mkdir

Answer 9

create directories

Question 10

Give at least one use case for mv

Answer 10

move file to another file

Question 11

Give at least one use case for rm

Answer 11

remove files

Question 12

Give at least one use case for cp

Answer 12

copy file contexts to other file

Question 13

What are the three virtues of a great programmer?

Answer 13

laziness, impatience, hubris