root             x  0
daemon           x  1
bin              x  2
sys              x  3
adm              x  4      syslog
tty              x  5
disk             x  6
lp               x  7
mail             x  8
news             x  9
uucp             x  10
man              x  12
proxy            x  13
kmem             x  15
dialout          x  20
fax              x  21
voice            x  22
cdrom            x  24
floppy           x  25
tape             x  26
sudo             x  27
audio            x  29     pulse
dip              x  30
www-data         x  33
backup           x  34
operator         x  37
list             x  38
irc              x  39
src              x  40
gnats            x  41
shadow           x  42
utmp             x  43
video            x  44
sasl             x  45
plugdev          x  46
staff            x  50
games            x  60
users            x  100
nogroup          x  65534
systemd-journal  x  101
systemd-network  x  102
systemd-resolve  x  103
input            x  104
crontab          x  105
syslog           x  106
messagebus       x  107
mlocate          x  108
uuidd            x  109
ssh              x  110
zabbix           x  999
rtkit            x  111
pulse            x  112
pulse-access     x  113
mongodb          x  114