The package-lock.json file is used to lock down the exact versions of the package dependencies that are installed in your project. It ensures that your project is using the same versions of the dependencies on all machines, regardless of the version ranges specified in the package.json file.

To uninstall a npm module, you can use the uninstall command of npm.

When you install a package using npm, you can use the --save or --save-dev flag to specify how the package should be saved in your project's package.json file.

You can use the npm update command to update all the dependencies in your package.json file to their latest version.

Node. js is primarily used for non-blocking, event-driven servers, due to its single-threaded nature. It's used for traditional web sites and back-end API services like web App or Mobile App. But it was developed with real-time, push-based architectures in mind.

When you install the npm package on your Linux and Windows system by default the package-lock.json file is generated any operations where npm modifies either the node_modules packages or package.json. Using the command execute the npm packages,

If you want to find the the version of an installed NPM packages from your local or server, Using the "npm" command able to find the package version which has installed in locally and globally,