I’ve started few days ago using Mac OS X. While I still prefer Linux I appreciate the fact that I have the bash power within and I don’t have to go for cygwin anymore. However cygwin is a great tool!
The first thing I had to do was changing the PATH environment variable in my shell for having the newly installed XAMPP binaries. Here is how: edit your ~/.profile file (create it if not exists) and add/change the line export PATH=$PATH:/path/to/your/bins.