一些特殊用法的说明文档位置 man top!!!
MPT排序,<>排序移动, x 切换高亮显示 b切换
Since this is primarily a service to former top users, these commands do not appear on any help screen。。。这些命令不在help中显示
top -Hp xxx
-H显示线程信息
top -u username
只显示单个用户的进程,也可以在交互模式中按u,o过滤