vmstat,iostat,mpstat commands for (Performance Observation) vmstat – Summary information of Memory, Processes, Paging etc. vmstat reports virtual memory statistics. [root@li1250-113 ~]# yum provides */bin/vmstat And install the package which is not there [root@li1250-113 ~]# vmstat procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu----- r  b   swpd   free         buff  cache     … Continue reading vmstat,iostat,mpstat