This document provides an overview of SQL Server 2017 for Linux. It discusses that SQL Server 2017 will support Linux distributions like Red Hat Enterprise Linux, Ubuntu, and SUSE Linux Enterprise. It highlights some key features that are currently available in SQL Server for Linux, including package-based installation, failover clustering, and command line tools. It also outlines upcoming features like SQL Server Agent and what features are not yet available like replication and Windows authentication. The document aims to explain why, when, and how SQL Server 2017 will support Linux.