add variable to path linux code example

Example 1: linux add to path

export PATH=$PATH:/place/with/the/file

Example 2: how to add a path variables in linux

export PATH=/usr/java/<JDK Directory>/bin:$PATH.

Example 3: ubuntu export path

$ source ~/.bashrc

Example 4: add to path to PATH

FOR MAC:

 1º - Open Finder
 2º - Choose Go > Go to folder
 3º - Go to ~/Library/
 4º - Look for hidden files: Cmd + Shift + . (dot) 
 5º - Depending on the shell you use, the file can be .bash_profile, or .bashrc, or .zshrc, ...
 6º - Open that file in the text editor
 7º - Add the new path like: export PATH="$PATH:"User/new_path/..."
 8º - Test in your command line if it worked: echo $PATH