This documentation is for EF Core. For EF6.x, see Entity Framework 6.
These 101 tutorials require no previous knowledge of Entity Framework (EF) or Visual Studio. They will take you step-by-step through creating a simple .NET Core Console Application that queries and saves data from a database. The tutorials can be completed on any platform supported by .NET Core (Windows, OSX, Linux, etc.).
You can find the .NET Core documentation at docs.microsoft.com/dotnet/articles/core.