multiple node version using nvm and cURL defination

nvm stands for Node Version Manager. As the name suggests, it helps you manage and switch between different Node versions with ease. It provides a command line interface where you can install different versions with a single command, set a default, switch between them and much more.

important command
-- nvm ls
-- nvm use 12.16.3 (bjit office)
-- nvm use 12.8.0 (bjit office)

Please run the nvm in vs code/ specific folder

REf:

1. https://computingforgeeks.com/how-to-run-multiple-versions-of-node-js-on-linux/

cURL
cURL is a computer software project providing a library and command-line tool for transferring data using various protocols. It was first released in 1997. The name stands for "Client URL". The original author and lead developer is the Swedish developer Daniel Stenberg