Mohiuddin Rana
Windows Server:
Windows Server is a server operating system from Microsoft Corporation. Windows Server offers ease of management through its interface. The Windows Sever web hosting environment supports major Web programming languages and databases such as PHP, MySQL, ASP.NET and MS SQL.
Unix (Linux) Server:
Unix is a registered trademark of The Open Group that refers to a family of computer operating systems. Officially licensed Unix operating systems include OS X (Apple), Solaris (Oracle), AIX (IBM), IRIX (SGI), and HP-UX (Hewlett-Packard).
Mac OS X Server:
OS X Server, formerly Mac OS X Server, was a separately sold Unix server operating system from Apple Inc. architecturally identical to its desktop counterpart OS X with additional server programs and management and administration tools. As of version 10.7 (Lion), Mac OS X and Mac OS X Server were combined into one release and re-branded as OS X.
Name
Creator
Initial Public release
Predecessor
Current Stable version
Release date
Cost, availability
Preferred License
Target system type
Windows Server (NT family)
Microsoft
1993
OS/2, MS-DOSand Windows 3.x
Windows Server 2012 R2
2013
US$469 Web Server; other editions dependent on number of CALs purchased
Proprietary; Shared Source
Server, NAS, embedded, HPC
Linux
Linus Torvalds
1991
Linux kernel
4.0.3
2015
Free
GNU GPLv2
Comparison of Linux distributions
Mac OS X Server
Apple Inc.
2001
Next STEP, BSD
10.10
2014
Previously bundled with hardware; Current version of Mac OS X; US$19.99 on the Mac App Store
Proprietary higher level API layers; open source core system
Server
Features & Benefits:
Segments:
Windows Server:
Microsoft's Windows Business Server is an integrated server suite that runs the network infrastructure of companies. Application server technologies are tightly integrated to enable businesses with targeted solutions and offer management benefits such as e-mail, Internet connectivity,
Bibliography: 1) http://en.wikipedia.org/ 2) http://searchdatacenter.techtarget.com/guides/Hardware-upgrade-and-server-refresh-guide 3) https://www.apple.com/osx/server/