Default group File
The default group file contains the following system groups that support
some system-wide task such as printing, network administration, or electronic mail. Most of these
groups have corresponding entries in the passwd file.
The following displays the contents of a sample group file.
root::0:
other::1:root
bin::2:root,daemon
sys::3:root,bin,adm
adm::4:root,daemon
uucp::5:root
mail::6:root
tty::7:root,adm
lp::8:root,adm
nuucp::9:root
staff::10:
daemon::12:root
sysadmin::14:
games::20:
smmsp::25:
gdm::50:
upnp::52:
xvm::60:
netadm::65:
mysql::70:
openldap::75:
webservd::80:
postgres::90:
slocate::95:
unknown::96:
nobody::60001:
noaccess::60002:
nogroup::65534:
aiuser::61:
ftp::21
pkg5srv::97:
The display above provides sample group file contents without any
explanations. The following table provides further information about each group listed in a typical
group file.
Table 1-4 Default group File Entries
|
|
|
|
|
root
|
0
|
Superuser group
|
system/core-os
|
|
other
|
1
|
Optional group
|
system/core-os
|
|
bin
|
2
|
Administrative group associated with running system binaries
|
system/core-os
|
|
sys
|
3
|
Administrative group associated with system logging or temporary directories
|
system/core-os
|
|
adm
|
4
|
Administrative group associated with system logging
|
system/core-os
|
|
uucp
|
5
|
Group associated with uucp functions
|
system/core-os
|
|
mail
|
6
|
Electronic mail group
|
system/core-os
|
|
tty
|
7
|
Group associated with tty devices
|
system/core-os
|
|
lp
|
8
|
Line printer group
|
system/core-os
|
|
nuucp
|
9
|
Group associated with uucp functions
|
system/core-os
|
|
staff
|
10
|
General administrative group.
|
system/core-os
|
|
daemon
|
12
|
Group associated with routine system tasks
|
system/core-os
|
|
sysadmin
|
14
|
Administrative group that is useful for system administrators
|
system/core-os
|
|
smmsp
|
25
|
Daemon for Sendmail message submission program
|
system/core-os
|
|
gdm
|
50
|
Group reserved for the GNOME Display Manager daemon
|
system/core-os
|
|
upnp
|
52
|
Group reserved for UPnP server
|
system/core-os
|
|
xvm
|
60
|
Group reserved for xVM user
|
system/core-os
|
|
netadm
|
65
|
Group reserved for network administration
|
system/core-os
|
|
mysql
|
70
|
Group reserved for MySQL user
|
system/core-os
|
|
openldap
|
75
|
Reserved for OpenLDAP user
|
library/openldap
|
|
webservd
|
80
|
Group reserved for WebServer access
|
system/core-os
|
|
postgres
|
90
|
Group reserved for PostgresSQL access
|
system/core-os
|
|
slocate
|
95
|
Group reserved for Secure Locate access
|
system/core-os
|
|
unknown
|
96
|
Group reserved for unmappable remote groups in NFSv4 ACLs
|
system/core-os
|
|
nobody
|
60001
|
Group assigned for anonymous NFS access
|
system/core-os
|
|
noaccess
|
60002
|
Group assigned to a user or a process that needs access to a system through some application
but without actually logging in
|
system/core-os
|
|
nogroup
|
65534
|
Group assigned to a user who is not a member of a known group
|
system/core-os
|
|
aiuser
|
61
|
Group assigned for automated installation authorization
|
system/install/auto-install/
auto-install-common
|
|
ftp
|
21
|
Group assigned for FTP access
|
system/core-os
|
|
pkg5srv
|
97
|
Group assigned to pkg(5) depot server
|
package/pkg
|
|