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• 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

A place to store a value

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

• String
• Number
• Boolean
• Object

• 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)