The document discusses the capabilities of Linux, Windows 7, and differences between Linux and Windows/Unix operating systems. It notes that Linux implements capabilities to remove the need for root privileges and outlines several capabilities like changing file ownership or overriding access restrictions. Windows 7 capabilities include PowerShell for faster command execution and multi-touch interaction. Linux distributions come from different companies while Windows flavors are from Microsoft, and both have desktop and server editions. Linux is more customizable than Windows.