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Alex Rivera
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I've started using npm for JavaScript package management recently. Although I do have a fair understanding of package management in different environments (let’s say using apt , rvm/gem , and pythonbrew/virtualenv/pip ), I don't quite understand how npm fully fits in. I would like to know more on how the "-g" flag works and why should I use it. As in most blogs and wiki, they refer to using "-g" when installing without explaining why, and I understand that these packages are installed globally. But why should I always install these packages globally? What does it mean to install these packages without the "-g" flag? What do I do to installed packages locally, let’s say sandboxed for different projects? How can I then, make a list of npm packages used in a project and bundle it in the project if I needed it to check it in with version control (if possible at all)?
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