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-
- HOSTS(5) UNIX Programmer's Manual HOSTS(5)
-
- NNAAMMEE
- hhoossttss - host name data base
-
- DDEESSCCRRIIPPTTIIOONN
- The hhoossttss file contains information regarding the known hosts on the net-
- work. For each host a single line should be present with the following
- information:
-
- Internet address
- Official host name
- Aliases
-
- Items are separated by any number of blanks and/or tab characters. A
- ``#'' indicates the beginning of a comment; characters up to the end of
- the line are not interpreted by routines which search the file.
-
- When using the name server named(8), this file provides a backup when
- the name server is not running. For the name server, it is suggested
- that only a few addresses be included in this file. These include ad-
- dress for the local interfaces that ifconfig(8) needs at boot time and a
- few machines on the local network.
-
- This file may be created from the official host data base maintained at
- the Network Information Control Center (NIC), though local changes may be
- required to bring it up to date regarding unofficial aliases and/or un-
- known hosts. As the data base maintained at NIC is incomplete, use of
- the name server is recommended for sites on the DARPA Internet.
-
- Network addresses are specified in the conventional ``.'' (dot) notation
- using the inet_addr(3) routine from the Internet address manipulation li-
- brary, inet(3). Host names may contain any printable character other
- than a field delimiter, newline, or comment character.
-
- FFIILLEESS
- /etc/hosts The hhoossttss file resides in _/_e_t_c.
-
- SSEEEE AALLSSOO
- gethostbyname(3), ifconfig(8), named(8)
-
- _N_a_m_e _S_e_r_v_e_r _O_p_e_r_a_t_i_o_n_s _G_u_i_d_e _f_o_r _B_I_N_D.
-
- HHIISSTTOORRYY
- The hhoossttss file format appeared in 4.2BSD.
-
- 4.2 Berkeley Distribution December 11, 1993 1
-