Authentication is a mechanism that verifies whether an entity is who it claims to be. On a Linux system, applications, such as su, passwd or login, are used to authenticate users before they are given ...

I've been consulting with what I think is the authority on PAM (http://www.kernel.org/pub/linux/libs/pam/Linux-PAM-html/Linux-PAM_SAG.html).<BR><BR>I'm examining the ...