NFS question

[Guy Harris]

> ->How do I recognize a file as being on
> ->a remote NFS filesystem?
> 
> Wouldn't it be easier to access the file then see whether
> the access time had been updated?

And thereby conclude that every read-only local file system is really an NFS
file system....

Depending on implementation characteristics such as this (or such as the major
device having the 8th bit set, or...) is not a good idea.