Standard Groups

In Table 6-2, you will find the standard groups as set up by the installation process (as seen in the /etc/group file).

Table 6-2. Standard Groups

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
news 13 news
uucp 14 uucp
man 15  
games 20  
gopher 30  
dip 40  
ftp 50  
nobody 99  
users 100  
piranha 60 piranha
ident 98 ident
rpc 32 rpc
pvm 24 pvm
floppy 19  
utmp 22  
slocate 21  
pppusers 44  
popusers 45  
slipusers 46  
rpm 37 rpm
postgres 26 postgres
nscd 28 nscd
wnn 49 wnn
mailnull 47 mailnull
rpcusers 29  
nfsnobody 65534  
xfs 43 xfs
gdm 42 gdm
apache 48 apache
squid 23 squid
named 25 named
junkbust 73 junkbust
mysql 27 mysql
mailman 41 mailman
ldap 55 ldap