1 - cd => (command) => we can walk around the directories.
2 - ls => (list) => shows files and folders from directory.
3 - rm => (remove) => removes files and folders.
4 - pwd => (print working directory) => where we are exactly.
5 - touch => creates files (txt , md).
6 - mkdir => (make directory) => creates folders.
7 - clear => clears the console.
1 - GUI => Graphic User Interface.
2 - UI => User Interface.
3 - . (dot) => means here.
4 - IDE => Integrated Development Environment.
5 - HTML => Hypertext markup langue.
6 - Our code IDE is visual studio code.
Visiual studio code
Margin padding photo http://www.avajava.com/tutorials/cascading-style-sheets/how-are-margins-borders-padding-and-content-related/how-are-margins-borders-padding-and-content-related-01.gif
VH is viewport height VW is viewport width