Linux free命令

[root@wang /]# free
             total       used       free     shared    buffers     cached
Mem:       1004412     398208     606204          0     129596     144756
-/+ buffers/cache:     123856     880556
Swap:       204792          0     204792

buffers 缓冲

cache 缓存 从磁盘取出放到内存