If you’ve already made the changes via sysgen, you should be able to effect them without a reboot by issuing the DOIONOW command.

Or you could have used IOCONFIG alone to effect the changes without a reboot.

Gilles Schipper 
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> On May 18, 2021, at 12:51 PM, James B. Byrne <[log in to unmask]> wrote:
> 
> External Email
> 
> I am about to do some printer class changes.  I only do this once every decade
> or so.  Consequently, I am not, shall we say, conversant with the process.  I
> did make some changes recently.  In that case I used the SYSGEN utility.
> 
> What is the difference if I use the IOCONFIG utility instead?
> 
> 
> 
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