Command Line Programming

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 - opens manual for command
Cat - to see the contents of a file
Ls - lists contents of directories 
Pwd - shows present working directory 
Echo - displays line of text (terminal console log)
Touch - changes the files time stamps 
Mkdir - makes a directory 
Mv - to rename a directory or move things 
Rm - remove files or directories 
Cp - to copy

Question 4

What are the three virtues of a great programmer?

Answer 4

Laziness, Impatience, Hubris

Question 5

What is Webpack?

Answer 5

A dev dependency that allows you to bundle your JavaScript files

Question 6

How do you add a devDependency to a package?

Answer 6

Npm install —save-dev “package”

Question 7

What is an NPM script?

Answer 7

A CLI shortcut for a program to run.

Question 8

How do you execute Webpack with npm run?

Answer 8

Npm run keyword

Question 9

What is NPM?

Answer 9

1. The worlds largest software registry
2. Open source program for coders to share code
3. CLI
4. The registry
5. The website

Question 10

What is a package?

Answer 10

A directory with files and package.json

Question 11

How can you create a package.json with npm?

Answer 11

With npm init —yes command

Question 12

What is a dependency and how do you add one to a package?

Answer 12

Dependencies are other packages that your package relies on, you can add one with the npm install command

Question 13

What happens when you add a dependency to a package with npm?

Answer 13

It adds it to the JSON file and creates a node_modules directory

Question 14

What is the difference between a dependency and a devDependency?

Answer 14

dependencies are for production, devDependencies are for development and to build/code check