SharePoint Introduction

What Is SharePoint? 

Microsoft SharePoint is a Web application platform developed by Microsoft to provide intranet portals, document & file management, collaboration, social networks, extranets, websites, enterprise search, and business intelligence. It also has system integration, process integration, and workflow automation capabilities.

Means Its a Platform To develop SharePoint Based websites. All the other things are functionalists (such as document & file management, workflow etc.) or type (like enterprise search) of those websites. 

So how would we start? Lets start by installing SharePoint. Here is some links where you can download free or trial version for installation.

Microsoft SharePoint Server 2010 Trial version for 180 days- 560.5 MB