As you read messages on CompuServe you will probably be puzzled by the
abbreviations or acronyms you'll see.  The following lists some of the
more frequently used acronyms.

CIS	CompuServe Information Service
FB	Files Busy
PPN	Programmer Project Number; currently known as UserID
Sysop	System Operator; people who manage the forum
WizOp	Wizard Sysop; the primary forum administrator for a forum

BRB	Be right back
BTW	By the way                  
CP	Copy protection   
FUBAR	"Fixed" up beyond all recognition 
FWIW	For what it's worth
FYI	For your information
gr&d	Grinning, running, and ducking
IAE	In any event
IMO	In my opinion
IMHO	In my humble opinion
IOW	In other words
OIC	Oh, I see
OTOH	On the other hand
PITA	Pain in the ...
rof,l	Rolling on floor, laughing
RSN	Real soon now
RTFM	Read the [fine] manual (or message)
SNAFU	Situation normal, al "fixed" up
TIA 	Thanks in advance
TSR	Terminate and stay resident program 
WYSIWYG	What you see if what you get