how to open vs code from cmd code example

Example 1: install code command on mac

Open VCode
press CMD + SHIFT + P
type 'shell command' 
select 'Install code command in path'
navigate to any project from the terminal and type 'code .'

Example 2: code command line options

code -r <path-to-working-directory>

Example 3: vs code a project folder from the command line

cd my-project-folder/
code -n .