'Poke' / 'Outp' from DOS

I am using a very old, incapable 286 with DOS only for a project.

How do I issue a 'poke' or an 'outp' from the DOS command line or using net-available free-ware please.

(EG Poke Address,Byte - Memory)
(EG Outp PortNum,Byte - Ports!)

I would like to compare port and memory mapping - so both would be appreciated

Tom Ball :-)
Tom.BallAsked:
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emmonsCommented:
http://carthage.destination.com.lb/scripts/back.pl?010&PKPK____.ZIP
does both peeks and pokes, and comes with source code.
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