I found this patch, which adds PAM support to coreutils 5: https://lists.gnu.org/archive/html/bug-coreutils/2003-04/msg00031.html https://lists.gnu.org/archive/

I found this patch, which adds PAM support to coreutils 5: https://lists.gnu.org/archive/html/bug-coreutils/2003-04/msg00031.html https://lists.gnu.org/archive/html/bug-coreutils/2003-04/msg... It removes the section at the bottom of the man page, and has this addition to the source code comments: +#ifdef USE_PAM + + Actually, with PAM, su has nothing to do with whether or not a + wheel group is enforced by su. RMS tries to restrict your access + to a su which implements the wheel group, but PAM considers that + to be fascist, and gives the user/sysadmin the opportunity to + enforce a wheel group by proper editing of /etc/pam.conf + +#endif