For myself to view:
1.mount -t vboxsf E_DRIVE /mnt/shared
2.tar xvzf arm-linux-gcc....tgz
3.Add PATH
export PATH=$PATH:/work/tools/...
It is just for once.
We can edit:
#gedit /root/.bashrc
add: export PATH=$PATH:/work/tools/...
4.
原文：http://www.cnblogs.com/ht-beyond/p/4187857.html