Understanding Operating Systems, Windows, Linux, and Mac OS

What is an Operating SystemOperating system (OS) or often called the operating system is a set of basic commands whose role is to run and operate a computer.what is WindowsMicrosoft Windows or better known as Windows is a family of personal computer operating system developed by Microsoft that uses the graphical user interface (graphical user interface).Windows operating systems have evolved from MS-DOS, an operating system based on text mode and command-line. The first version of Windows, Windows Graphic Environment 1.0 was first introduced on 10 November 1983, but only out of the market in November 1985 designed to meet the needs of the computer to display a picture. Windows 1.0 is a software 16-bit (not an operating system) running on top of MS-DOS (and some variants of MS-DOS), so he will not be able to walk without the DOS operating system. Version 2.x, 3.x versions are the same. Recent versions of Windows (starting from version 4.0 and Windows NT 3.1) is an independent operating system that no longer depend on the operating system MS-DOS. Microsoft Windows and can be developed and can be controlled using the operating system up to 90%.

 what is linuxLinux is open source software operating system that is free to be distributed under the GNU license. Linux is a derivative of UNIX and can work on a wide variety of hardware ranging from inter koputer x86 to RISC.With the GNU (Gnu Not Unix) you can obtain the program, complete with source code (source code). Not only that, you are given the right to copy as much as you want, or even changing code that all legal sumbernya.Dan under license. Although free, GNU license allows a party who wants to withdraw a fee for copying and sending the program.What was Mac osMac OS stands for Macintosh Operating System. Mac OS is a computer operating system created by Apple Computer for a specific computer is not compatible with Macintosh and PC-based IBM. Introduced in 1984, the Mac OS since 2002 has had compatibility with PowerPC and x86 architectures.Mac OS X is the latest version of the Mac OS operating system for Macintosh computers. The operating system was first issued in 2001. The character "X" is the Roman number which means ten, which is the successor version of the operating system used previously as Mac OS 8Mac OS 9. Some people read it as the letter "X" is heard like "ex". One of the reasons why they interpret such as the tradition to give the name of Unix-based operating system with the suffix "x" (eg, AIX, IRIX, Linux, Minix, Ultrix, Xenix). and Mac OS X Server was also released in 2001. Basically Server version is similar to the standard version, with the difference that the version Serverworkgroup in large-scale computer. Examples of additional features available for this version is the software to perform functions such as SMTP, SMB, LDAP and DNS. In addition melisensinya also different ways. includes software for the purposes of management and administration of Mac OS X is an operating system that uses the BSD kernel so that some critics say that Mac OS X is included in the Unix family. The interesting thing about this OS is the beauty of the zoom making it a role model for other desktop developers