This chapter describes the memory management features of Linux, namely virtual memory and disk caching. Describe what the system administrator should consider, work, and purpose.
What is virtual memory?
Linux supports virtual memory by using disk
On the first, straight hit Linux:12 asked 1. What is Linux? Linux is an exotic operating system that is born on the web, growing up on the web, and ripe for networking. In the 1991, Finnish college student Linus Torvalds The idea of developing a
In the Linux memory allocation mechanism, the first use of physical memory, when the physical memory is idle (enough), does not release its memory consumption, even if the memory-hogging program has been shut down, the program occupied by the memory
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4.1 Windows Memory Management
Essentially, virtual memory is usedProgramOfCodeAnd data can be run when not all is loaded into the memory. During the running process, when the Code has not been loaded into the memory,
In Linux often found that there is little free memory, it seems that all the memory is occupied by the system, the surface is not enough memory, it is not. This is an excellent feature of Linux memory management, and in this context differs from the
This chapter describes the memory management features of Linux, namely, virtual memory and disk cache. Describes the things, jobs, and objectives that system administrators should consider.
What is virtual memory?
Linux supports Virtual Memory,
Article Title: Swap and BufferCache mechanisms in Linux memory. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Linux supports Virtual Memory, that is, the disk is used as the RAM Extension, so that the available memory can be effectively expanded accordingly. The core stores unused memory blocks on the hard disk to free up memory for other purposes. When the
Vim Editor Our computer's editor is divided into two categories1, Text editorThe text editor edits the pure ASICLL document without any extra modifiers2, Word ProcessorWord processors include Word documents, word processing tools inside WPS, with
Linux memory mechanism-cache and bufferIn Linux often found that the free memory is very small, it seems that all the memory is occupied by the system, the surface of the memory is not enough to use, it is not. This is an excellent feature of Linux
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