User management
December 24, 2019
11:43 AM
Groups: sudo lxd 
adduser
add a user
usermod
modify a user
deluser
delete a user
addgroup
add a group
/etc/passwd
where user account information is stored
/etc/group
where group information is stored
/etc/shadow
where user password hashes are stored
/etc/skel
stuff that gets copied when a new user is created
id luc
groups luc
sudo usermod -aG sudo luc
switch -a
append
switch G
new group info.  without a, would replace Group options