1。
查看当前进程ID （KornShell）：
$echo $$
4992
2.
查看跟指定程序相关的进程：
$ps -A | grep ....bat
8360 0:00 cmd /c ....bat
3.
$kill -9 $pid
4.
查看window系统启动状况：
C:\>uptime
12:55pm up 3:41, 1 session, load average: 0.00, 0.00, 0.00.
查看系统日志，观察source=eventlog的所有记录，查找：
Introduction to the key event ID:
6005: Log the system up event
6006: Log the system shutdown event
6008: Log the unexpected system shutdown event
5.
$who am i
$which is java
