一、A simple understanding of the operating system is the intermediary between a person and computer hardware. The operating system is an indispensable basic system software in a computer system. It is the basic environment support necessary for application programs and user operations. It is the core of a computer system. Is the system program software used to transfer information between the user and the computer system hardware. The role of the operating system is to manage and control the hardware and software resources in the computer system. For example, it is responsible for directly managing various hardware resources of the computer system, such as the management of CPU, memory, disks, etc., and the priority of the supply and demand of system resources For management. The operating system can also control the input and output of the device and operate the network and manage the file system. At the same time, it is also responsible for the management of various software resources in the computer system. For example, the installation of various application software and the setting of the operating environment.
二、
1.Windows system: Windows system is currently the mainstream of computer operating systems. Common systems include Win 7 and Win 10, XP systems. Recently Microsoft announced that it will stop supporting Win 7 systems in 2020. The current win 10 system launched in May 2019 is the latest version and is by far the best Windows. The basic pre-installation for new computer equipment is Win 10 system.
2.Mac system: a special system developed by Apple for the development of Apple computers. An operating system that cannot be installed on a normal PC under normal circumstances. At the same time, Apple systems also support the installation of Windows dual systems.
3.Linux system: It is specifically aimed at enterprise users, and provides the most commonly used platform by web service providers. Individual users are also very few, and in the eyes of most people, the Linux operating system must be an alternative operating system. Even for programmers, many people think that Linux is just an operating system on the server side, let alone personal daily use. We can make the most of our applications when developing programs, and the development efficiency under linux is easier and more efficient than the development under Windows, because linux has great freedom. For mobile, cloud computing, AI technology, and embedded, Linux plays a very important role.
4.Chrome OS: A PC-based operating system developed by Google. Linux-based open source operating system. It can be said in China that I only listen to the Chrome OS system, but I do n’t know what it looks like. However, Chromebooks released by Google abroad use the Chrome OS system. The application in the education market has left Apple and Microsoft far behind. In Mayer, Bestbuy and many other online stores, Chromebook sales are also the top notebook sales.
5.UNIX operating system: The UNIX operating system is a commercial version and requires a fee. Has a powerful multi-user, multi-tasking operating system.
