0909 Sound of the operating system

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1. The operating system can implement resource management mechanisms that allow applications to provide resource management policies.

2. Although there is no specific understanding of the purpose of learning the operating system, it is understood through books and networks that the operating system can handle and help us effectively address issues such as concurrency, resource management, performance analysis and conflict, the interface to hide complexity, and the handling of large software.

3. For how to learn the operating system this course, I personally feel that the first to C language grammar and writing to be proficient (because this course is required in C language to write), in fact, the course is to listen carefully in class, Sometimes it takes two days to read your own books, and you may only need to listen to the teacher carefully to explain one or two lessons to achieve the same effect. In other words, to improve the efficiency of learning, of course, this course is an abstract subject, it is best to do pre-class preview and after-Class review to consolidate for the best.

4. The operating system is usually the closest hardware to the first layer of system software, it makes the hardware bare metal transformation into a fully functional virtual machine, making the use and management of computer systems more convenient, more efficient use of computing resources, the upper-level applications can be more than the hardware provides more support. The operating system is a large management control program, which roughly includes 5 management functions: Process and processor management, job management, storage management, device management, file management.

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0909 Sound of the operating system