Waarom zoveel, waar dient het voor?
adm
audio
avahi
avahi-autoipd
backup
bin
bluetooth
cdrom
colord
crontab
daemon
dialout
dip
disk
fax
floppy
games
gnats
input
irc
kmem
lightdm
list
lp
lpadmin
mail
man
messagebus
mlocate
netdev
news
nogroup
nopasswdlogin
operator
plugdev
proxy
pulse
pulse-access
root
rtkit
sambashare
saned
sasl
scanner
shadow
src
ssh
ssl-cert
staff
sudo
sys
syslog
systemd-bus-proxy
systemd-journal
systemd-network
systemd-resolve
systemd-timesync
tape
tty
ubuntu
users
utmp
uucp
uuidd
video
voice
whoopsie
www-data
