Linux 4.9.155-nrj-desktop-1rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 4.57 0.02 0.91 0.62 0.00 93.89 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 0.01 0.31 0.00 4328 0 sdb 7.31 89.33 139.77 1239881 1939881 sdc 0.02 0.47 0.00 6572 0