FYI, it looks like whenever Slackware 15 arrives it may include Pam/Kerberos...
https://www.linuxquestions.org/question ... ost6056858
PV: Good to hear that there will be interest in testing this
https://www.linuxquestions.org/question ... ost6057301
If we do the krb5/PAM, don't expect any support for not running it. It'll be mandatory unless you wish to figure out what and how to recompile and reconfigure everything needed to get rid of it.
That said, if it is added I expect to make it so that you won't even notice that it's there. So unlike PA, for example, there shouldn't really be any scenarios where certain things do not work as well because the system has krb5/PAM.