Thanks Jon, I'm grateful for your explanation. Ian -- Ian W. Wright Sheffield UK ----- Original Message ----- From: "Jon Elson" <jmelson-at-artsci.wustl.edu> > > this is the kind of thing QNX was made for. Embedded Applications, they call > it. > > Of course QNX's file structure looks like Linux, as does all other Unix > derived systems. > > Jon > > >