PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                           
12233 wch        9   0 42036  41m  17m S  0.0 16.3   0:45.25 mozilla-thunder                   
12235 wch        8   0 42036  41m  17m S  0.0 16.3   0:00.00 mozilla-thunder                   
12236 wch        9   0 42036  41m  17m S  0.0 16.3   0:13.88 mozilla-thunder