NOTE: CentOS Enterprise Linux 5 is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux 5 is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux 5.
Table 32.5, “Standard Groups” lists the standard groups configured by an Everything /etc/group file.
Group
GID
Members
root
0
root
bin
1
root, bin, daemon
daemon
2
root, bin, daemon
sys
3
root, bin, adm
adm
4
root, adm, daemon
tty
5
disk
6
root
lp
7
daemon, lp
mem
8
kmem
9
wheel
10
root
mail
12
mail, postfix, exim
news
13
news
uucp
14
uucp
man
15
games
20
gopher
30
dip
40
ftp
50
lock
54
nobody
99
users
100
rpm
37
utmp
22
floppy
19
vcsa
69
dbus
81
ntp
38
canna
39
nscd
28
rpc
32
postdrop
90
postfix
89
mailman
41
exim
93
named
25
postgres
26
sshd
74
rpcuser
29
nfsnobody
65534
pvm
24
apache
48
xfs
43
gdm
42
htt
101
mysql
27
webalizer
67
mailnull
47
smmsp
51
squid
23
ldap
55
netdump
34
pcap
77
quaggavt
102
quagga
92
radvd
75
slocate
21
wnn
49
dovecot
97
radiusd
95
Table 32.5. Standard Groups
