FND.03.03 BeginnerCore — asked often

Environment, PATH and installing tools

This concept is being written. It gets the full five steps — explanation, predict, interview angle, practice with tests, and review cards. Here is exactly what it will cover, so you can study it elsewhere in the meantime.

What it covers

environment variables
PATH
shell config files
installing Node with a version manager (nvm/fnm/volta)
Windows: WSL recommendation
never paste secrets into commands that get logged

Words you will know

environment variablePATHpackage managerversion manager

What you will practise

install Node via a version manager
print node -v

Interview questions this answers

What is the PATH variable?