CentOS查看当前CPU及内存使用情况（任务管理器）
Linux下没有类似Windows的可视化窗口来查看当前设备硬件资源使用情况，但通过命令行一样能够了解到我们需要的信息，使用top命令# toptop - 17:17:36 up 0 min,1 user,load average: 0.20, 0.07, 0.02Tasks:77 total, 1 running,76 sleeping, 0 stopped, 0 zombieCpu(s):3.0%us,1.0%sy,0.0%ni, 86.6%id,9.4%wa,0.0%hi,0.0%si,0.0%stMem: 1025760k total, 214488k used, 811272k free, 15084k buffersSwap: 0k total, 0k used, 0k free, 63416k cached
PID USER PRNIVIRTRESSHR S %CPU %MEM TIME+COMMAND 1151 apache 20 0331m14m 3572 S2.71.4 0:00.08 httpd 1025 mysql 20 0497m21m 4316 S1.02.1 0:00.20 mysqld 886 ntp 20 0 26368 1668 1188 S0.30.2 0:00.01 ntpd 1 root 20 0 19232 1504 1224 S0.00.1 0:00.91 init 2 root 20 0 0 0 0 S0.00.0 0:00.00 kthreadd 3 root RT 0 0 0 0 S0.00.0 0:00.00 migration/0 4 root 20 0 0 0 0 S0.00.0 0:00.00 ksoftirqd/0 5 root RT 0 0 0 0 S0.00.0 0:00.00 migration/0 6 root RT 0 0 0 0 S0.00.0 0:00.00 watchdog/0 7 root 20 0 0 0 0 S0.00.0 0:00.00 events/0 8 root 20 0 0 0 0 S0.00.0 0:00.00 cgroup 9 root 20 0 0 0 0 S0.00.0 0:00.00 khelper 10 root 20 0 0 0 0 S0.00.0 0:00.00 netns 11 root 20 0 0 0 0 S0.00.0 0:00.00 async/mgr 12 root 20 0 0 0 0 S0.00.0 0:00.00 pm 13 root 20 0 0 0 0 S0.00.0 0:00.00 xenwatch 14 root 20 0 0 0 0 S0.00.0 0:00.00 xenbus 15 root 20 0 0 0 0 S0.00.0 0:00.00 sync_supers 16 root 20 0 0 0 0 S0.00.0 0:00.00 bdi-default 17 root 20 0 0 0 0 S0.00.0 0:00.00 kintegrityd/0 18 root 20 0 0 0 0 S0.00.0 0:00.03 kblockd/0 19 root 20 0 0 0 0 S0.00.0 0:00.00 kacpid 20 root 20 0 0 0 0 S0.00.0 0:00.00 kacpi_notify
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