如何查看linux的CPU占用

top看CPU

free看内存

refurl:http://zhidao.baidu.com/link?url=o87B3A2HJ09yUZ3TBZ2tpG3aFs5HEwQm2zR0O3j7sgis7OeWv6SDBGZyfq1WiAK2rlzLhTTuAlI8wEZUHZiPCq

http://www.cnblogs.com/Wen-Man/archive/2011/04/04/2373771.html