Possibly silly question about creating entries in /dev

[West Bend Support]

From: "Scott R." <fluid at sfmidimafia.com>
> This may be a stupid question, but hopefully it is easily answerable. 
> I've done some poking around on the man page for devfs and I can't 
> really find anything that tells me how to create a "fictitious" entry. 
> Some apps that play or read cd's need the device /dev/cdrom to exist for 
> them to work.  I can create a link manually just using ln -sf /dev/acd0 
> /dev/cdrom and the entry will stay there until I reboot the machine. 
> Upon reboot, the entry is wiped out as devfs re-initializes itself (this 
> is my guess anyway).  Can anyone tell me how to properly create these 
> types of device entries so that they are recreated each time the system 
> boots?  There's either not much documentation on this subject or I'm 
> just not looking in the right place.  Pointers and suggestions will be 
> greatly appreciated.
> 
put the command to create the device in /etc/rc.devfs

Scot