Transitions can be hard Some changes require a tougher approach: master.passwd: deraadt:*:1000:1000:staff:0:0:Theo de Raadt:/home/deraadt:/bin/ksh ^^^ "change time" and "expire time" fields are stored as time_t in the pwd.db and spwd.db databases Hacking around this problem would be more painful in the long term, though. We force our users to do binary upgrades.