No, the article makes that rather clear: You don't have VS on other platforms. This is a cli interface for every supported OS/platform, while you had to use msb

No, the article makes that rather clear: You don't have VS on other platforms. This is a cli interface for every supported OS/platform, while you had to use msbuild/xbuild previously (and a couple of things on top, nuget being one). Obviously you can do everything .Net related already - if you're sitting in VS on Windows.