GETENT(1) User Commands GETENT(1)NAMEgetent - get entries from Name Service Switch libraries
SYNOPSISgetent database [key ...]
DESCRIPTION
The getent command displays entries from databases supported by the
Name Service Switch libraries, which are configured in /etc/nss‐
witch.conf. If one or more key arguments are provided, then only the
entries that match the supplied keys will be displayed. Otherwise, if
no key is provided, all entries will be displayed (unless the database
does not support enumeration).
The database may be any of those supported by the Cygwin Library,
listed below:
ahosts When one or more key arguments are provided, pass each key
in succession to getaddrinfo(3) with the address family
AF_UNSPEC, enumerating each socket address structure
returned. Enumeration is not supported on ahosts, so a
key must be provided.
ahostsv4 Same as ahosts, but use the address family AF_INET.
ahostsv6 Same as ahosts, but use the address family AF_INET6. The
call to getaddrinfo(3) in this case includes the
AI_V4MAPPED flag.
group When no key is provided, use setgrent(3), getgrent(3), and
endgrent(3) to enumerate the group database. When one or
more key arguments are provided, pass each numeric key to
getgrgid(3) and each nonnumeric key to getgrnam(3) and
display the result.
hosts When one or more key arguments are provided, pass each key
to gethostbyaddr(3) or gethostbyname2(3), depending on
whether a call to inet_pton(3) indicates that the key is
an IPv6 or IPv4 address or not, and display the result.
Enumeration is not supported on hosts, so a key must be
provided.
initgroups
When one or more key arguments are provided, pass each key
in succession to getgrouplist(3) and display the result.
Enumeration is not supported on initgroups, so a key must
be provided.
passwd When no key is provided, use setpwent(3), getpwent(3), and
endpwent(3) to enumerate the passwd database. When one or
more key arguments are provided, pass each numeric key to
getpwuid(3) and each nonnumeric key to getpwnam(3) and
display the result.
protocols When no key is provided, use setprotoent(3), getpro‐
toent(3), and endprotoent(3) to enumerate the protocols
database. When one or more key arguments are provided,
pass each numeric key to getprotobynumber(3) and each non‐
numeric key to getprotobyname(3) and display the result.
services When no key is provided, use setservent(3), getservent(3),
and endservent(3) to enumerate the services database.
When one or more key arguments are provided, pass each
numeric key to getservbynumber(3) and each nonnumeric key
to getservbyname(3) and display the result.
EXIT STATUS
One of the following exit values can be returned by getent:
0 Command completed successfully.
1 Missing arguments, or database unknown.
2 One or more supplied key could not be found in the data‐
base.
3 Enumeration not supported on this database.
SEE ALSOnsswitch.conf(5)COLOPHON
This page is an excerpt of the getent man page from release 3.53 of the
Linux man-pages project, matched to the capabilities of Cygwin. A
description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
Linux 2013-03-15 GETENT(1)
