Thursday, March 21, 2013

Chapter 3: Operating Systems

According to Google, the definition of an operating system is "The software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals." Although that seems like a complicated definition in simple terms an operating system or "OS" is software that communicates with the hardware and allows other programs to run. Some of the most common operating systems are Windows, Mac OS X, and Linux; however, there are dozens of them in existence. AIX, Amiga, BeOS, FreeBSD, FreeDOS, GUN/Hurd, HP-UX, IRIS, JavaOS, MINIX, MS-DOS, NetBSD, OpenBSD, Palm OS, QNX, SkyOS, Solaris, TRON, and Tru64 are all popular operating systems that have been around since the early 1980's. All of these operating systems are/were used worldwide with Windows controlling over 80% of the operating system market. Also, a less known fact is that your phone contains different operating systems from computers. With the mobile phone industry developing in its hardware sector, development seems to be concentrated these days, mainly on mobile phone operating systems. The most phenomenal OS's in the mobile phone industry are iOS, Android, Research in Motion, Windows for mobile phones, and Symbian 60. These mobile operating systems are present in today's most popular phones from the iphone 5 to the new Samsung Galaxy S. 

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