Shulou(Shulou.com)06/02 Report--

Mem: physical memory usage

Swap: swapping partition information

+ buffers/cache: (available) amount of memory, i.e. free+buffers+cached

-buffers/cache: (used) number of memory, i.e. used-buffers-cached

Total: the total physical memory size is currently 980m

Used: the physical memory size that has been used is currently 852m

Free: the free physical memory is currently 127m

Shared: the amount of physical memory shared by multiple processes

Buffers Buffer: the current buffer memory is 73m

Cached Page: current 218m cache memory

The formula for calculating the available memory is:

Available memory = free+buffers+cached

That is 127MB+73MB+218MB=420MB

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