As we known,system software provides the most basic functions for the computer .It can be divided into operating system and supporting software,and operating system is the most basic software. Here I want to tell you something about system software.
System software is responsible for the management of computer systems in a variety of independent hardware, making them to coordinate the work. System software allows computer users and other software work together.

The management of the operating system is a computer hardware and software resources of the program, but also computer systems and the cornerstone of the core. Given the operating system such as the management and allocation of memory, system resources, supply and demand decide the priorities, control input and output equipment, operation and management of network file system and other basic services. Operating system also provides a user interaction with the system operator interface. Operating system divided into BeOS, BSD, DOS, Linux, Mac OS, OS / 2, QNX, Unix, Windows and so on.
Supporting software to support all softwares’ development and maintenance , also known as software development environment (IDE). It includes the environmental database, a variety of interface software and tools group. Well-known software development environment is IBM’s Web Sphere, Microsoft, etc. Studio.NET. It include a range of basic tools (such as compilers, database management, storage format, file system management, user authentication, driver management, network connectivity, etc. tools).

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