1. npm install //Global Node module installation.
2. npm install <package-name> //Install specific package and adds it to package.json file which holds file dependencies.
3. npm update //Update all packages for newer version.
4. npm update <package-name> //Specific package updation.
5. npm install <package-name>@<version> //Specific package updation with specific version.
6. npm run <task-name> //To run a task like npm run (watch/dev/rod).
7. npm install -g //Tell global installation folder.
8. node_modules/.bin/ //Executable dependencies require to be in this folder.
9. npm list //To list all installed packages with versions in hierarchical order.
10. npm view cowsay versions //To check out versions available of a package.
11. npm install cowsay@1.2.0 //To instll older version or newer version of a package.
12. Check out https://nodejs.dev/en/learn/update-all-the-nodejs-dependencies-to-their-latest-version/, for more version update in node.
13. npm uninstall <package-name> //To uninstall a package.