Updating computer operating system

More precisely, free software means users of a program have the four essential freedoms: Developments in technology and network use have made these freedoms even more important now than they were in 1983.

Nowadays the free software movement goes far beyond developing the GNU system.

This is because deleting the operating system involves deleting the partition of the hard drive that is located on, causing all data to be lost.

Mobile operating systems combine features of a personal computer operating system with other features useful for mobile or handheld use; usually including, and most of the following considered essential in modern mobile systems; a touchscreen, cellular, Bluetooth, Wi-Fi Protected Access, Wi-Fi, Global Positioning System (GPS) mobile navigation, camera, video camera, speech recognition, voice recorder, music player, near field communication, and infrared blaster.

The most common are the Windows family of operating systems developed by Microsoft, the Macintosh operating systems developed by Apple and the UNIX family of operating systems (which have been developed by a whole history of individuals, corporations and collaborators).

There are hundreds of other operating systems available for special-purpose applications, including specializations for mainframes, robotics, manufacturing, real-time control systems and so on.

Free software puts its users in control of their own computing.

Non-free software puts its users under the power of the software's developer. Free software means the users have the freedom to run, copy, distribute, study, change and improve the software. To understand the concept, you should think of “free” as in “free speech”, not as in “free beer”.

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