Can you create a local wordpress network / multisite install on a mac with subdomains?

This tutorial was just published at DevPress by Patrick Carey:
http://web.archive.org/web/20111222021406/http://devpress.com/blog/how-to-setup-subdomains-for-a-local-wordpress-network
It should help you. It has been written for Windows but you should be able to translate it into “Mac”