plan9 filesystem (v9fs) user mount utilities

 9mount is a set of SUID mounting tools for use with v9fs to help cope with
 linux's poor mount support.
 .
 The tools offer a level of security - 9mount will only let you mount over
 non-sticky directories you have write access to, and 9umount will only let you
 unmount 9p partitions that you mounted yourself.