Linux查看当前正在执行的进程

youhaidong@youhaidong-ThinkPad-Edge-E545:~$ ps
  PID TTY          TIME CMD
 2576 pts/0    00:00:00 bash
 2695 pts/0    00:00:00 ps

youhaidong@youhaidong-ThinkPad-Edge-E545:~$ ps -aux | grep java
youhaid+  2722  0.0  0.0  15956   912 pts/0    S+   23:12   0:00 grep --color=auto java
youhaidong@youhaidong-ThinkPad-Edge-E545:~$ ps -ef | grep java
youhaid+  2725  2576  0 23:13 pts/0    00:00:00 grep --color=auto java
youhaidong@youhaidong-ThinkPad-Edge-E545:~$