I'm kinda of a newbie myself, but here is what I do.
to find it, as root (easyer) type"
"find / -name cedega"
or
"find / -name cedega (or point2play) 2>/dev/null"
but to run, on the comand line type "cedega" for cedega or "Point2Play" for point to play (not sure about the upper case, try them differently if u can't find it, ie. Point2Play; point2play)
hope that helped