Add New User Account
useradd
Remove Old User Account
rmuser username
Update information about user (including pass)
chpass username
Create new group
pw groupadd groupname
Add user to new group
pw groupmod groupname -M user
Main Folders for Configuration of applications and services
/boot/loader.conf/etc/rc.conf/usr/local/
Default editors
vi & ee
Default shells
/bin/sh & /bin/csh