Teach you to correctly set the virtual memory of Windows7.

Memory plays a big role in the computer. All running programs in the computer need to be executed through memory. If the program is large or many, the memory consumption will be exhausted. In order to solve this problem, WINDOWS uses virtual memory technology, that is, takes out a part of the hard disk space to act as memory. This part of the space is called virtual memory, and the virtual memory exists on the hard disk in the form of PAGEFILE.SYS. Virtual memory is only a supplement to the lack of real memory, so don't deify it. The read and write performance of virtual memory (that is, hard disk read and write) is only a fraction of the real memory performance, and it is very harmful to the hard disk! Can be used less, less use! The principle is enough to use + leave a small amount of allowance. First, the virtual memory should not be located in the system disk C (the system disk is the same as other disks), but should be located in other non-system partitions. Answer: Wrong! Because the C drive is the default system disk, the hard disk read and write most frequently is the system file and page file. What is the most time-consuming operation of hard disk reading and writing? It is the head positioning! The head positioning in the same partition is undoubtedly more time-saving than the long-distance positioning across the partition! So, the virtual memory in the system disk (system default Value) is the fastest and most efficient implementation. Second: The optimal value of virtual memory is 1.5-3 times the memory capacity. Answer: Wrong! It should be judged according to the actual use. Especially the popularity of large memory today. Memory usage See the task manager's memory column. Generally 512MB of memory, according to the actual memory usage, you can set the virtual memory to 256-768MB (the sum of memory + virtual memory is generally 256MB higher than the normal occupancy). 1GB memory, according to the actual memory usage, you can set the virtual memory to 128-1024MB (the sum of memory + virtual memory is generally 256-512MB higher than the normal occupancy). Usually, people who normally occupy hundreds of megabytes (most of them) can even disable virtual memory (software-limited software can set a small amount of virtual memory, such as 16-128MB). Memory is 2G and above, you can generally disable virtual memory (software limited to a small amount of virtual memory, such as 16-128MB). Some people who do use a lot of memory, the 250 blog (http://www.im250.com.cn) reminds you to play large 3D games, make large pictures, 3D modeling, etc., and receive the system memory shortage warning, It is only necessary to set the virtual memory as appropriate. Third: the bigger the virtual memory, the better. Answer: Wrong. The virtual memory is too large, which wastes disk space, increases the time for head positioning, and reduces system execution efficiency without any benefit. Correct setting can save about 256MB-4G space (depending on memory size) Take Windows 7 as an example, computer right button, properties, advanced system settings, performance > settings..., advanced, virtual memory > change..., automatic management Cancel, customize size, set, OK, exit reboot.