> and when I tried to write them using the proper parameters of -b 
> rzboot -s bootrz (after copying these files to /usr/mdec{rzboot,bootrz}) 
> it said that it could not find bootrz...

If you specify it on the command line, you have to give the full
pathname - in your case, ``-b /usr/mdec/rzboot -s /usr/mdec/bootrz''.
However, if those files are in /usr/mdec, you shouldn't need to use
the -b or -s flags.

			       _MelloN_