Definitions for "atop "
Keywords:  swap, exit, ascii, username, cpu
Atop is an ASCII full-screen performance monitor, similar to the top command. At regular intervals, it shows system-level activity related to the CPU, memory, swap, disks and network layers, and it shows for every active process the CPU utilization in system and user mode, the virtual and resident memory growth, priority, username, state, and exit code.
Keywords:  top
On or at the top.