Password hashes on UNIX

where are password hashes stored on unix

>>16
PAM is the authentication system standard and is specified by X/Open Single Sign-on Service (XSSO)¹.  The standard way to find out where passwords are being stored is to interpret the PAM configuration.

_{¹http://www.opengroup.org/onlinepubs/008329799/toc.pdf}

This shit is thirteen years old.  I can't be the only one that knows about this on here...