Commonly used operating systems for computers and mobiles

Some of the commonly used operating systems in computers are discussed below:

1. Windows:- Microsoft launched Windows 1.0 operating system in 1985. It is a GUI (Graphic User Interface) and various versions of Windows have been launched like Windows 95, Windows 98, Win NT, Windows XP, Windows 7, Windows 8, Windows 8.1, and the latest being Windows 10.
   
   
2. Linux:- Linux is a free and open software which means it is freely available for use and since its source code is also available so anybody can use it, modify it and redistribute it. It can be downloaded from www.linux.org. It is a very popular operating system used and supported by many companies.
   
   
3. UNIX:- It is a multitasking, multiuser operating system originally developed in 1969 at Bell Labs. It was one of the first operating systems developed in a high-level language, namely C. Due to its portability, flexibility, and power, UNIX is widely being used in a networked environment.
   
   
4. Solaris:- It is a free Unix based operating system introduced by Sun Microsystems in 1992. It is now also known as Oracle Solaris.
   
   

Mobile Operating Systems

Some operating systems are specially made for mobile devices like smartphones and tablets. The most commonly used mobile operating systems are – Android and Symbian

Android: It is a Linux derived Mobile OS released on 5th November 2007 and by 2011 it had more than 50% of the global smartphone market share. It is Google’s open and free software. Android applications are quite user friendly and even one can easily customize the Smartphone with Android OS. Various versions of Android OS have been released like 1.0, 1.5, 1.6, 2. x, 3.0, etc. The latest Android version released is 10.0. The Android releases have dessert-inspired codenames like Cupcake, Honeycomb, Ice Cream Sandwich, Jelly Bean, etc.

Symbian: This Mobile OS developed by Nokia in 1998 and designed for smartphones. It offers a high level of functional integration between communication and personal information management. It has an integrated mailbox and it completely facilitates the usage of all Google applications in your smartphone easily. This OS currently not available. It was shut down in 2010.