In order for me not to lose it, here's a link to a useful tutorial and examples about ZIP password cracking:
http://linuxers.org/article/how-crack-z ... -fcrackzip
The tool of choice seems to be "fcrackzip".
Cracking ZIP file passwords with Linux
Cracking ZIP file passwords with Linux
Jumping out of an airplane is not a basic instinct. Neither is breathing underwater. But put the two together and you're traveling through space!