cpp -x -i a:|b: -o echo.tm1 echo.c
cp1 -b0 -n8 -o echo.tm2 echo.tm1
cp2 -o echo.s echo.tm2
b:a80 -o echo.o echo.s
lnk -eb__memory -tb0x100 -htr -o echo.com crtx.o echo.o b:libc.80
echo this line should be echoed to terminal
echo this line is written to junk.txt >junk.txt
type junk.txt
era junk.txt
era echo.tm*