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Linux显示内存状态 ~~~ youhaidong@youhaidong-ThinkPad-Edge-E545:~$ free total used free shared buffers cached Mem: 3103064 1417636 1685428 6672 109496 572168 -/+ buffers/cache: 735972 2367092 Swap: 3998716 0 3998716 ~~~