yarn install global code example

Example 1: npm install --global yarn

npm install --global yarn

Example 2: yarn add global

yarn global <add/bin/list/remove/upgrade> [--prefix]

Example 3: yarn react install

There are two ways where you can initiate a REACT app.. 
1. Using npm : npm init react-app <app_name>
	 example : npm init react-app sampleApp
2. Using yarn : yarn create react-app <app_name>
	 example : yarn create react-app sampleApp

Example 4: how to upgrade package yarn global

yarn global add <package>@latest

Example 5: install yarn

curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list