涉及到2个很简单的命令：一个是top（查看进程）一个就是uptime（查看开机到现在有多久）
具体演示：
查看开机时间：
class=codetop>CODE:class=codemain>[root@web~]#uptime
13:44:25up16days,3:12,1user,loadaverage:0.00,0.00,0.00 |
查看进程：
class=codetop>CODE:class=codemain>[root@web~]#top
top-13:45:14up16days,3:12,1user,loadaverage:0.00,0.00,0.00
Tasks:76total,1running,75sleeping,0stopped,0zombie
Cpu(s):0.0%us,0.3%sy,0.0%ni,99.7%id,0.0%wa,0.0%hi,0.0%si,0.0%st
Mem:254236ktotal,167976kused,86260kfree,396kbuffers
Swap:524280ktotal,21620kused,502660kfree,44216kcached
PIDUSERPRNIVIRTRESSHRS%CPU%MEMTIME COMMAND
25303root2002272972788R0.30.40:00.03top
1root2002112648564S0.00.30:02.03init
2root15-5000S0.00.00:00.01kthreadd
3rootRT-5000S0.00.00:00.00migration/0
4root15-5000S0.00.00:00.00ksoftirqd/0
5rootRT-5000S0.00.00:00.00watchdog/0
6root15-5000S0.00.00:00.18events/0
7root15-5000S0.00.00:00.00khelper
58root15-5000S0.00.00:00.33kblockd/0
61root15-5000S0.00.00:00.00kacpid
62root15-5000S0.00.00:00.00kacpi_notify
142root15-5000S0.00.00:00.00cqueue/0
144root15-5000S0.00.00:00.00ksuspend_usbd
149root15-5000S0.00.00:00.00khubd
152root15-5000S0.00.00:00.00kseriod
180root200000S0.00.00:01.35pdflush
181root200000S0.00.00:00.95pdflush |
这都是没有加入参数的情况下显示的。
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