how to get at the files "under" a mount point?

[Chan Chung Hang Christopher]

Bob F Nord wrote:
> Is there any way to see what's in the /tmp directory (for
> example) on the / filesystem while another filesystem (tmpfs in
> this case) is mounted on /tmp?
>   
Yes. Stop mounting.

> Or do I have to change fstab, reboot, poke around in there,
> change fstab back, and reboot, in order to do this?
>
>   

No, just kill off all processes using the mountpoint and then stop the 
mounting.

Otherwise, go into single user mode which should only have / available 
and nothing else mounted.