Windows has had something like that built in for quite a while. Pre win 7 and Vista, try "Net Send" at a cmd prompt.
Win 7 and up try Msg.exe at a cmd prompt I am pretty sure with some fiddling you can glue this together to be passed from Rbase. > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of Dick > Fey > Sent: Friday, October 10, 2014 11:11 AM > To: RBASE-L Mailing List > Subject: [RBASE-L] - Off Topic Instant Messenger > > Hi All > > Does anyone know of or use a program like Instant Messenger, that works > only on an local network ? > Instant messaging between only our 5 computers. > > Dick Fey > Carpet Broker Inc.

