What are the operating systems

1. Windows class

With the continuous upgrading of computer hardware and software systems, Microsoft's Windows operating system is also being upgraded from 16-bit, 32-bit to 64-bit operating systems. From the initial windows1.0 to the familiar Windows95, NT, 97, 98, 2000, Me, XP, Server, vista,windows 7,windows 8 versions of continuous updates, Microsoft has been trying to develop and improve its windows operations.

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2, NetWare class

NetWare is a network operating system launched by Novell Company. The most important feature of NetWare is the open system architecture based on the basic modular design idea. NetWare is an open network server platform that can be easily expanded. NetWare system provides a consistent service for different working platforms (such as d0s, 0S/2, Macintosh, etc.), different network protocol environments such as TCP/IP and various workstation operating systems. The system can be augmented with optional extensions (such as backup backups, databases, emails, and bookkeeping), which can be taken from NetWare itself or from third-party developers.

3. Unix System

The UNIX operating system is the operating system that the American At&t company ran on PDP-11 in 1971. Features multi-user, multitasking, support for a variety of processor architectures, first by Ken Thompson (Kenneth Lane Thompson), Dennis Ritchie (Dennis Macalistair Ritchie) and Douglas McIlroy in 1969 at &t's Bell Labs development.

4, Linux

Linux is a free and open source Unix-like operating system with many different versions of Linux, but they all use the Linux kernel. Linux can be installed in a variety of computer hardware devices, such as mobile phones, tablets, routers, video game consoles, desktop computers, mainframes and supercomputers. Linux is a leading operating system, with the world's fastest computing 10 supercomputers running Linux operating systems. Strictly speaking, the Linux word itself only represents the Linux kernel, but in fact people are accustomed to using Linux to describe the entire Linux kernel, and the use of GNU engineering tools and databases of the operating system.