@echo off

set msgText=Ciao!
set msgFile=%TMP%\messaggio.bat

echo @echo off > %msgFile%
echo echo %msgText% >> %msgFile%
echo pause ^> nul >> %msgFile%
echo cls >> %msgFile%
echo exit >> %msgFile%

start "%msgText%" %msgFile%
start "%msgText%" %msgFile%
start "%msgText%" %msgFile%
start "%msgText%" %msgFile%
start "%msgText%" %msgFile%

cls
exit