UID GID Assignment Table

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Name UID GID Provider Notes
root 0 0 baselayout (linux)
root 0 - baselayout (fbsd)
toor 0 - baselayout (fbsd)
wheel - 0 baselayout (fbsd)
bin 1 1 baselayout (linux)
daemon 1 1 baselayout (fbsd)
daemon 2 2 baselayout (linux)
operator 2 5 baselayout (fbsd)
adm 3 4 baselayout (linux)
bin 3 7 baselayout (fbsd)
sys - 3 baselayout (linux)
sys - 3 baselayout (fbsd)
lp 4 7 baselayout (linux)
tty 4 4 baselayout (fbsd)
adm - 4 g:adm
sync 5 - baselayout (linux)
kmem 5 2 baselayout (fbsd)
tty - 5 baselayout (linux)
tty - 5 g:tty
shutdown 6 - baselayout (linux)
mail 6 6 baselayout (fbsd)
disk - 6 g:disk
disk - 6 baselayout (linux)
halt 7 - baselayout (linux)
games 7 - baselayout (fbsd)
lp - 7 g:lp
news 8 8 baselayout (fbsd)
mail 8 12 u:mail g:mail mail user and group removed from baselayout on Linux in r3093
mem - 8 baselayout (linux)
man 9 - baselayout (fbsd)
news 9 13 baselayout (linux)
kmem - 9 g:kmem
kmem - 9 baselayout (linux)
man - 9 historical man group removed from baselayout on BSD in r2528, now on GID 15.
uucp 10 14 baselayout (linux)
wheel - 10 g:wheel
wheel - 10 baselayout (linux)
operator 11 - baselayout (linux)
floppy - 11 baselayout (linux)
man 13 15 u:man g:man Moved out of baselayout in [r2528] and before in https://sources.gentoo.org/cgi-bin/viewvc.cgi/baselayout/trunk/share.Linux/passwd?limit_changes=0&r1=1397&r2=1474&pathrev=2545 r1474
postmaster 14 - u:postmaster Removed from baselayout in r3093
cron 16 16 user.eclass Removed from baselayout in r1476
console - 17 baselayout (linux)
audio - 18 g:audio Duplicated in media-sound/{pulseaudio,timidity}.
audio - 18 baselayout (linux)
cdrom - 19 g:cdrom
cdrom - 19 baselayout (linux)
dialout - 20 g:dialout
dialout - 20 baselayout (linux) Historically removed from baselayout in r2444, then reintroduced
ftp 21 21 u:ftp g:ftp Removed from baselayout in r1475
sshd 22 22 user.eclass Removed from baselayout in r1476
smmsp 25 - baselayout (fbsd)
at 25 25 user.eclass Removed from baselayout in r1479
smtpd 25 25 user.eclass
smmsp - 25 historical Removed from baselayout in r2528
tape - 26 g:tape
tape - 26 baselayout (linux)
video - 27 g:video
video - 27 baselayout (linux)
render - 28 g:render
squid 31 31 historical Removed from baselayout in r1477
guest - 31 baselayout (fbsd)
gdm 32 32 historical Removed from baselayout in r1571
xfs 33 33 historical X Font Server, removed from baselayout in r1572
games 35 - historical Removed from baselayout in r1478
games 36 35 user.eclass Names configurable via eclass; group: deprecated by Council decision, removed from baselayout in r1478
gamestat - 36 g:gamestat
named 40 40 user.eclass Removed from baselayout in r1369
tor 43 43 u:tor g:tor
mpd 45 - u:mpd
knot 53 53 u:knot g:knot
tss 59 59 u:tss g:tss
mysql 60 60 u:mysql g:mysql Removed from baselayout in r1335
avahi 61 61 u:avahi g:avahi
avahi-autoipd 62 62 u:avahi-autoipd g:avahi-autoipd
authpf - 63 user.eclass
netdev - 64 g:netdev
uucp 66 65 baselayout (fbsd)
duende 66 - user.eclass
dialer - 68 baselayout (fbsd)
network - 69 baselayout (fbsd)
postgres 70 70 user.eclass Moved out of baselayout in r1861
dovenull 74 74 u:dovenull g:dovenull
redis 75 75 user.eclass
dovecot 76 76 u:dovecot g:dovecot
qemu 77 77 u:qemu g:qemu
kvm - 78 g:kvm
libvirt - 79 g:libvirt
cdrw - 80 baselayout (linux)
apache 81 81 user.eclass Removed from baselayout in r916
nginx 82 82 requested
nut 84 84 user.eclass Removed from baselayout in r1862
cyrus 85 - historical Removed from baselayout in r1326
usb - 85 baselayout (linux)
nullmail 88 88 user.eclass
vpopmail 89 89 u:vpopmail g:vpopmail Removed from baselayout in r1319
partimag 91 91 user.eclass
dovecot 97 97 user.eclass
input - 97 g:input
input - 97 baselayout (linux)
maradns 99 99 user.eclass
users - 100 baselayout (linux)
users - 100 baselayout (fbsd)
messagebus 101 101 u:messagebus g:messagebus
polkitd 102 102 u:polkitd g:polkitd
lpadmin - 106 user.eclass
rpc 111 111 historical Used by net-nds/portmap, removed in 36e60cce11d7
unifi 113 113 u:unifi g:unifi
mythtv 117 117 u:mythtv g:mythtv
murmur 122 122 u:murmur g:murmur
ntp 123 123 u:ntp g:ntp
rtkit 133 133 u:rtkit g:rtkit
owfs 150 150 user.eclass Ebuild allows overriding username.
stapusr - 156 user.eclass
stapsys - 157 user.eclass
stapdev - 158 user.eclass
inspircd 167 167 u:inspircd g:inspircd
transmission 169 169 u:transmission g:transmission
munin 177 - user.eclass
elasticsearch 183 183 u:elasticsearch g:elasticsearch
pdnsd 184 184 u:pdnsd g:pdnsd
systemd-journal - 190 g:systemd-journal
systemd-journal-remote 191 191 u:systemd-journal-remote g:systemd-journal-remote
systemd-network 192 192 u:systemd-network g:systemd-network
systemd-resolve 193 193 u:systemd-resolve g:systemd-resolve
systemd-coredump 194 194 u:systemd-coredump g:systemd-coredump
systemd-timesync 195 195 u:systemd-timesync g:systemd-timesync
git 196 196 u:git g:git
alias 200 - u:alias Removed from baselayout in r1397
nofiles - 200 g:nofiles Removed from baselayout in r2445
qmaild 201 - u:qmaild Removed from baselayout in r1397
qmail - 201 g:qmail Removed from baselayout in r1397
qmaill 202 - u:qmaill Removed from baselayout in r1397
qmailp 203 - u:qmailp Removed from baselayout in r1397
qmailq 204 - u:qmailq Removed from baselayout in r1397
qmailr 205 - u:qmailr Removed from baselayout in r1397
qmails 206 - u:qmails Removed from baselayout in r1397
postfix 207 207 u:postfix g:postfix Removed from baselayout in r1863
postdrop - 208 g:postdrop Removed from baselayout in r1863
smmsp 209 209 user.eclass user removed out of baselayout in r2446; group in r2445
cmd5checkpw 212 212 u:cmd5checkpw g:cmd5checkpw
uptimed 220 220 u:uptimed g:uptimed
gkrellmd 221 221 u:gkrellmd g:gkrellmd
msmtpd 222 222 u:msmtpd g:msmtpd
nsd 223 223 u:nsd g:nsd
tox 236 236 u:tox g:tox
rspamd 237 237 requested
distcc 240 - user.eclass
asterisk 242 242 u:asterisk g:asterisk
slocate - 245 historical Removed from baselayout in r1328
portage 250 250 baselayout (linux)
portage 250 250 baselayout (fbsd)
smtpq 252 252 user.eclass
tomcat 265 265 user.eclass
kibana 269 269 u:kibana g:kibana
ceph 267 267 u:ceph g:ceph
logstash 270 270 u:logstash g:logstash
spire 271 271 u:spire g:spire
plugdev - 272 g:plugdev
bacula 273 273 u:bacula g:bacula
dnsmasq_exporter 274 274 u:dnsmasq_exporter g:dnsmasq_exporter
netdata 290 290 u:netdata g:netdata
openntpd 321 321 u:openntpd g:openntpd
amavis 333 333 requested
opendkim 334 334 u:opendkim g:opendkim
epmd 335 335 u:epmd g:epmd
sqlgrey 336 336 requested
stunnel 341 341 requested
dnscrypt-proxy 353 353 u:dnscrypt-proxy g:dnscrypt-proxy
slurm 400 400 u:slurm g:slurm
guest 405 - historical Removed from baselayout in r889
utmp - 406 g:utmp
utmp - 406 baselayout (linux)
ldap 439 439 user.eclass
collectd 440 440 requested
firebird 450 450 user.eclass
redmine 451 451 u:redmine g:redmine
vdr 452 452 requested
vdradmin 453 453 requested
deluge 454 454 u:deluge g:deluge
mogilefs 460 - user.eclass
i2pd 470 470 u:i2pd g:i2pd
i2p 471 471 u:i2p g:i2p
suricata 477 477 requested
graylog 478 478 u:graylog g:graylog
openrct2 479 479 u:openrct2 g:openrct2
minetest 480 480 u:minetest g:minetest
mongodb 481 481 u:mongodb g:mongodb
mosquitto 482 482 u:mosquitto g:mosquitto
bitcoin 483 483 u:bitcoin g:bitcoin
ipfs 484 484 u:ipfs g:ipfs
bedrock 485 485 u:bedrock g:bedrock
spectrum 486 486 u:spectrum g:spectrum
ddclient 487 487 u:ddclient g:ddclient
teamspeak 488 488 u:teamspeak g:teamspeak
steamcmd 489 489 u:steamcmd g:steamcmd
minecraft 490 490 u:minecraft g:minecraft
fhem 491 491 u:fhem g:fhem
oprofile 492 492 requested provisional, same id as archlinux
oidentd 493 493 requested
unrealircd 494 494 u:unrealircd g:unrealircd
gvm 495 495 u:gvm g:gvm
strelaysrv 496 496 u:strelaysrv g:strelaysrv
stdiscosrv 497 497 u:stdiscosrv g:stdiscosrv
burp 498 498 u:burp g:burp
syncthing 499 499 u:syncthing g:syncthing
slurm 500 500 historical Moved to 400
- 500..999 500..999 reserved Dynamic allocation by user.eclass. Do not use!
- 1000..60000 1000..60000 reserved `UID_MIN`..`UID_MAX` / `GID_MIN`..`GID_MAX` in login.defs
ventrilo 3784 3784 historical Used by media-sound/ventrilo-server-bin, removed in 15c6a556cef2
- 60001..65533 60001..65532 reserved
nogroup - 65533 baselayout (linux)
nogroup - 65533 baselayout (fbsd)
nobody 65534 65534 baselayout (linux)
nobody 65534 65534 baselayout (fbsd)
- 65535 65535 reserved -1 on systems with 16 bit uid_t
- 61184..65519 61184..65519 reserved Used by systemd DynamicUser feature
- 524288..1878982656 524288..1878982656 reserved Used by systemd for containers