atop: atop - AT Computing's System & Process Monitor atop: atop: The program atop is an interactive monitor to view the load on a Linux atop: system. It shows the occupation of the most critical hardware atop: resources (from a performance point of view) on system level, i.e. atop: cpu, memory, disk and network. It also shows which processes are atop: responsible for the indicated load with respect to cpu- and memory atop: load on process level; disk- and net- work load is only shown per atop: process if a kernel patch has been installed. atop: atop: