Command Line Basics

Question 1

What is a CLI?

Answer 1

Command Line Interface

Question 2

What is a GUI?

Answer 2

Graphical User Interface

Question 3

Give at least one use case for each of the commands listed in this exercise.
man
cat
ls
pwd
echo
touch
mkdir
mv
rm
cp

Answer 3

man - get the manual of a command
cat - concatenate a file to another file and list contents of file
ls - list contents of directory
pwd - list what directory you’re in
echo - output string to the CLI and/or directory using >
touch - create empty file and/or tell computer that a file has been touched, updating the timestamp.
mkdir - creates a directory
mv - renames the file and/or moves it
rm - removes file
cp - Copies file or directory -r for recursive

Question 4

What are the three virtues of a great programmer?

Answer 4

Laziness, Impatience, & Hubris