scottlinux.com | Linux Blog

iostat and vmstat – Awesome System Statistics for Linux | Two excellent Linux apps are iostat and vmstat. These provide realtime statistics of system IO and memory usage. Here’s how it works! iostat iostat is useful to view realtime stats of disk IO. I suggest running ‘iostat 1′ to have the command refresh each second. $ iostat 1 Linux 3.2.0-2-amd64 (brahms) 09/12/2012 _x86_64_ (4 CPU)