Structure

• program name

• parameters

• modifiers

• sample -> command -flag1 -flag2 arg1 arg2

  flags are used to tell command how we want to perform a particular action

• commands can be written with a single - (for flags). For example, these two commands do the same thing:

  $ ls -l -h 
  $ ls -lh 

• dot (.) -> current directory

• double dot (..) -> parent directory

• tilde -virguilla in Spanish- (~) -> go to home folder

Note: PC keystroke of ~ -> AltGr + 4

All commands can be searched with the command man.