iOS
A mobile operating system is an operating system (the most basic instructions to allow a device to load software and control hardware) specifically for mobile devices.
Windows XP was the most popular operating system.
Android is an open-source mobile operating system by Google, currently the most popular available.
the most popular operating system multitasking is kernel
Linux is not an power full Operating system XP is the most powerfull operating system
Android is an open source platform for mobile phones. It is developed by Google and is installed on over 1 billion devices. It is currently the worlds most popular mobile operating system.
disk operating system(DOS)
One of the most popular and widely used operating system is Microsoft Windows. It is compatible with most devices and has proved to be user-friendly.
windows mobile and palm OS
Microsoft Windows
Do you mean Windows? It's the most popular and compatible operating system available from Microsoft.
windows