Angular Setup Error

Angular Setup Error
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#1

Hi, does anyone know how to set up Angular through the terminal? I keep getting the error:

zsh: command not found: ng

When I do echo $PATH i get… /Users/danielfrick/.rvm/gems/ruby-2.4.0/bin /Users/danielfrick/.rvm/gems/ruby-2.4.0@global/bin /Users/danielfrick/.rvm/rubies/ruby-2.4.0/bin /usr/local/bin /usr/bin /bin /usr/sbin /sbin /usr/local/bin /usr/bin /bin /usr/sbin /sbin /Users/danielfrick/.rvm/bin

Does anyone know how I would change the $PATH towards angular? I went thru a different code camp with a mentor to learn ruby but forgot how I did this. lol

Thanks!