openwrt 显示编译的版本信息

root@OpenWrt:/# cat /etc/openwrt_release
DISTRIB_ID='OpenWrt'
DISTRIB_RELEASE='Bleeding Edge'
DISTRIB_REVISION='r48975'
DISTRIB_CODENAME='designated_driver'
DISTRIB_TARGET='ramips/mt7620'
DISTRIB_DESCRIPTION='OpenWrt Designated Driver r48975'
DISTRIB_TAINTS='no-all'
root@OpenWrt:/# opkg --version
opkg version 0.1.8

root@OpenWrt:/# 

可以参考

http://www.cnblogs.com/zhangbaoqiang/p/4792628.html