Linux显示更新十次后退出
youhaidong@youhaidong-ThinkPad-Edge-E545:~$ top -n 10
top - 19:19:21 up 48 min, 2 users, load average: 0.14, 0.32, 0.41
Tasks: 196 total, 1 running, 195 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.8 us, 0.3 sy, 0.0 ni, 98.9 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 3103064 total, 1464684 used, 1638380 free, 74664 buffers
KiB Swap: 3998716 total, 0 used, 3998716 free. 660916 cached Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2313 youhaid+ 20 0 1122356 246192 54376 S 3.7 7.9 7:06.53 firefox
6311 youhaid+ 20 0 486828 51880 26944 S 1.7 1.7 0:01.81 plugin-con+
6361 youhaid+ 20 0 653164 20400 13828 S 0.3 0.7 0:00.67 gnome-term+
6420 youhaid+ 20 0 29148 1688 1168 R 0.3 0.1 0:00.09 top
1 root 20 0 33900 3164 1480 S 0.0 0.1 0:01.41 init
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:00.02 ksoftirqd/0
5 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:+
7 root 20 0 0 0 0 S 0.0 0.0 0:05.59 rcu_sched
8 root 20 0 0 0 0 S 0.0 0.0 0:02.40 rcuos/0
9 root 20 0 0 0 0 S 0.0 0.0 0:01.78 rcuos/1
10 root 20 0 0 0 0 S 0.0 0.0 0:02.74 rcuos/2
11 root 20 0 0 0 0 S 0.0 0.0 0:01.74 rcuos/3
12 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_bh
13 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/0
14 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/1
15 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/2
youhaidong@youhaidong-ThinkPad-Edge-E545:~$
原文：http://blog.csdn.net/you23hai45/article/details/43343615