Eu usei o comando top para imprimir isso na caixa do Linux:
[root@localhost ~]# top
top - 23:38:38 up 361 days, 12:16, 2 users, load average: 0.09, 0.06, 0.01
Tasks: 129 total, 2 running, 126 sleeping, 1 stopped, 0 zombie
Cpu(s): 0.0...
26.03.2012 / 08:42