Add user:
/usr/sbin/useradd -gusers -Gmgmt -s/bin/bash -pxxxx -d/home/username -m username
Change username:
/usr/sbin/usermod -l <to> <from>
Delete a user and their home directory:
/usr/sbin/userdel -r <username>
Add user:
/usr/sbin/useradd -gusers -Gmgmt -s/bin/bash -pxxxx -d/home/username -m username
Change username:
/usr/sbin/usermod -l <to> <from>
Delete a user and their home directory:
/usr/sbin/userdel -r <username>