内存信息查看[root@rhel6 ~]# cat /proc/meminfo[root@rhel6 /]# free -mtotal used free sharedbufferscachedMem: 7760 1647 6113 010167free -m显示的参数是换算为MB后的大小可知buffer为10MBcache为167MB[root@rhel6 /]# toptop - 20:53:25 up 2:52, 4 users, load average: 0.03, 0.02, 0.00Tasks: 225 total, 2 running, 223 sleeping, 0 stopped, 0 zombieCpu(s): 0.7%us, 0.4%sy, 0.0%ni, 98.7%id, 0.2%wa, 0.0%hi, 0.0%si, 0Mem: 7946440k total, 1693384k used, 6253056k free, 11508k buffersSwap: 524280k total, 0k used, 524280k free,177112k cachedMem:7946440ktotal物理内存总量 7760MB1693384kused使用的物理内存总量
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