getent(1) General Commands Manual getent(1) getent - getent []... _ ... getent , (Name Service Switch), /etc/nsswitch.conf. , , . , , ( ). GNU C: ahosts When no key is provided, use sethostent(3), gethostent(3), and endhostent(3) to enumerate the hosts database. This is identical to using hosts(5). 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. ahostsv4 , ahosts, AF_INET. ahostsv6 , ahosts, AF_INET6. getaddrinfo(3) AI_V4MAPPED. aliases , setaliasent(3), getaliasent(3) endaliasent(3) aliases. , getaliasbyname(3) . ethers , ether_aton(3) ether_hostton(3), , . ethers , . group , setgrent(3), getgrent(3) endgrent(3) group. , getgrgid(3) getgrnam(3) . gshadow , setsgent(3), getsgent(3) endsgent(3) gshadow. , getsgnam(3) . hosts , sethostent(3), gethostent(3) endhostent(3) hosts. , gethostbyaddr(3) gethostbyname2(3), inet_pton(3), , IPv6 IPv4, . initgroups , getgrouplist(3) . initgroups , . netgroup , setnetgrent(3) , getnetgrent(3), (hostname, username, domainname). , hostname, username domainname netgroup innetgr(3). netgroup , , . networks , setnetent(3), getnetent(3) endnetent(3) networks. , getnetbyaddr(3) getnetbyname(3) . passwd , setpwent(3), getpwent(3) endpwent(3) passwd. , getpwuid(3) getpwnam(3) . protocols , setprotoent(3), getprotoent(3) endprotoent(3) protocols. , getprotobynumber(3) getprotobyname(3) . rpc , setrpcent(3), getrpcent(3) endrpcent(3) rpc. , getrpcbynumber(3) getrpcbyname(3) . services , setservent(3), getservent(3) endservent(3) services. , getservbynumber(3) getservbyname(3) . shadow , setspent(3), getspent(3) endspent(3) shadow. , getspnam(3) . --service service -s service ( glibc 2.2.5). --service database:service -s database:service . , ( glibc 2.4). --no-idn -i IDN ahosts/getaddrinfo(3) ( glibc-2.13). --help -? . --usage . --version -V , getent. getent : 0 . 1 . 2 . 3 . . nsswitch.conf(5) Azamat Hackimov , Dmitry Bolkhovskikh , Vladislav , Yuri Kozlov ; GNU 3 , . . , , . Linux man-pages 6.06 1 2023 . getent(1)