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var spawnObj = require('child_process').spawn,
progToOpen = spawnObj('C:\\windows\\notepad.exe', ["C:/Users/YOUR_USER_NAME/Desktop/somefile.txt"]);
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// Update and Install Node.js
% sudo npm cache clean -f
% sudo npm install -g n
% sudo n stable
// create package.json
% npm init
// create node_modules && ( package-lock.json )
% npm install
// install package
% npm install <package_name>
// install package in devDependencies
% npm install <package_name> --save-dev
% npm install <package_name> -D
// Update packages All
% npm update
// Specify a single package to update
% npm update <package_name>
// Check which packages are installed globally in the system
% npm list -g