Markdown is a way to style plaintext. It allows you to format webcontent like you are coding.
It allows you to quickly create content without having to worry about formatting afterwards!

• Markdown Tutorial

Bash is the shell, or the command processor of the GNU Operating system.
It is used to execute programs and automate tasks

• Bash Scripting

CSS (Cascading Style Sheets) is every color, animation, gradient, typography, spacing, sizing, layout,
or anything else that makes your site look good

• Learn CSS

Javascript is the life of a website, it is what makes it work and interactive

• The Modern Javascript Tutorial

HTML is the structure of the web, it is what gives all websites there shape

• TutorialRepublic