Command Line Basics

Question 1

What is a CLI?

Answer 1

o Command Line Interface

o Where you write text for the computer to process

Question 2

What is a GUI?

Answer 2

o Graphical User Interface

o User interface that allows users to interact with devices with graphics instead of commands

Question 3

Give at least one use case for each of the commands listed in this exercise.

Answer 3

o man – looking up command information
o cat – printing contents of a file
o ls – seeing a list of files in a directory
o pwd – checking the location of my current directory
o echo – displaying text on terminal
o touch – updating the time stamp on a file
o mkdir – creating new directory(s)
o mv – renaming a directory
o rm – removing a file
o cp – copying a file with a new name

Question 4

What are the three virtues of a great programmer?

Answer 4

o Laziness
o Impatience
o Hubris