wangxian@wangxian:/tmp/linux/vboot$ cd /home/wangxian
wangxian@wangxian:~$ sudo -s
[sudo] password for wangxian:
root@wangxian:~# export PATH=$PATH:'/tmp/linux/usr/local/arm/4.3.2/bin'
wangxian@wangxian:/tmp/linux/vboot$ cd /home/wangxian
wangxian@wangxian:~$ sudo -s
[sudo] password for wangxian:
root@wangxian:~# export PATH=$PATH:'/tmp/linux/usr/local/arm/4.3.2/bin'