Q1. How do I list all user accounts?
No prompt de ativação, execute show run | i username
...
CORE01.PUB.DAL01#sh run | i user
username operator password 7 <someHashedPassword>
CORE01.PUB.DAL01#
Q2. How would I reset the password for a specific user?
Altere a senha do modo de configuração
CORE01.PUB.DAL01#conf t
CORE01.PUB.DAL01(config)#username <someuser> password 0 <somepassword>
A sintaxe é um pouco diferente para um ASA ...
mpenning-fw(config)# user <someuser> password <somepassword>