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1. Terminal Commands

  • mkdir: creates a directory/folder

  • touch: creates a file

  • ls: lists everything in a directory

  • cd: navigate in the file system

  • rm: delete a file

  • rm -rf: deletes a directory and no questions

  • pwd: prints working directory

  • clear: clear terminal

  • ctrl + c: stop a process

  • nano: opens a text editor in terminal

  • cat: file preview

  • code: opens a file/directory on VS Code

  • node: run a file

2. Variables

A place to store a value

  • const: the value can not change
  • let: we can change the value

3. JavaScript DataTypes

  • String
  • Number
  • Boolean
  • Object

4. Logical Operators & Comparison Operators

  • AND (&&): true if all expressions are true

  • OR (||): one expression has to resolve to true

  • === (4 == "4" (FALSE) / == (4 == "4" (TRUE))

  • !== / !=

  • > (greater than), >= (greater than or equal)

  • < (smaller than), <= (smaller than or equal)

5. Conditionals

6. Functions

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