查看FreeBSD版本： uname  -a

root# uname  -a

FreeBSD power 8.1-RELEASE FreeBSD 8.1-RELEASE #0: Mon Jul 19 02:36:49 UTC 2010     [email protected]:/usr/obj/usr/src/sys/GENERIC  amd64

查看apache版本： apachectl -v
root#apachectl -v
Server version: Apache/2.2.15 (FreeBSD)
Server built:   Nov 26 2010 16:07:59

查看php版本：php -v
root#php -v


Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies
    with Zend Extension Manager v1.2.2, Copyright (c) 2003-2007, by Zend Technologies
    with Zend Optimizer v3.3.0, Copyright (c) 1998-2007, by Zend Technologies

查看php模块：php -m


查看mysql版本：mysql -V（大写V哦）

root#mysql -V

mysql  Ver 14.14 Distrib 5.1.53, for portbld-freebsd8.1 (amd64) using  5.2