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Annotation of 43BSDTahoe/man/man8/htable.8, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1983 Regents of the University of California.
        !             2: .\" All rights reserved.  The Berkeley software License Agreement
        !             3: .\" specifies the terms and conditions for redistribution.
        !             4: .\"
        !             5: .\"    @(#)htable.8    6.3 (Berkeley) 5/22/86
        !             6: .\"
        !             7: .TH HTABLE 8 "May 22, 1986"
        !             8: .UC 5
        !             9: .SH NAME
        !            10: htable \- convert NIC standard format host tables
        !            11: .SH SYNOPSIS
        !            12: .B /etc/htable
        !            13: [
        !            14: .B \-c
        !            15: .I connected-nets
        !            16: ] [
        !            17: .B \-l
        !            18: .I local-nets
        !            19: ]
        !            20: .I file
        !            21: .SH DESCRIPTION
        !            22: .I Htable
        !            23: is used to convert host files in the format specified
        !            24: in Internet RFC 810 to the format used by the network
        !            25: library routines.  Three files are created as a result
        !            26: of running 
        !            27: .IR htable :
        !            28: .IR hosts ,
        !            29: .IR networks ,
        !            30: and
        !            31: .IR gateways .
        !            32: The 
        !            33: .I hosts
        !            34: file may be used by the 
        !            35: .IR gethostbyname (3N)
        !            36: routines in mapping host names to addresses
        !            37: if the nameserver,
        !            38: .IR named (8),
        !            39: is not used.
        !            40: The
        !            41: .I networks
        !            42: file is used by the
        !            43: .IR getnetent (3N)
        !            44: routines in mapping network names to numbers.
        !            45: The
        !            46: .I gateways
        !            47: file may be used by the routing daemon
        !            48: in identifying ``passive'' Internet gateways;
        !            49: see
        !            50: .IR routed (8C)
        !            51: for an explanation.
        !            52: .PP
        !            53: If any of the files
        !            54: .IR localhosts ,
        !            55: .IR localnetworks ,
        !            56: or
        !            57: .I localgateways
        !            58: are present in the current directory,
        !            59: the file's contents is prepended to the
        !            60: output file.
        !            61: Of these, only the gateways file is interpreted.
        !            62: This allows sites to maintain local aliases and
        !            63: entries which are not normally present in the
        !            64: master database.
        !            65: Only one gateway to each network will be placed in the gateways file;
        !            66: a gateway listed in the localgateways file will override any in the
        !            67: input file.
        !            68: .PP
        !            69: If the gateways file is to be used,
        !            70: a list of networks to which the host is directly connected
        !            71: is specified with the
        !            72: .B \-c
        !            73: flag.
        !            74: The networks, separated by commas,
        !            75: may be given by name or in Internet-standard dot notation,
        !            76: e.g.
        !            77: .B \-c
        !            78: arpanet,128.32,local-ether-net.
        !            79: .I Htable
        !            80: only includes gateways
        !            81: which are directly connected to one of the networks specified,
        !            82: or which can be reached from another gateway on a connected net.
        !            83: .PP
        !            84: If the
        !            85: .B \-l
        !            86: option is given with a list of networks (in the same format as for
        !            87: .BR \-c ),
        !            88: these networks will be treated as ``local,''
        !            89: and information about hosts on local networks is
        !            90: taken only from the localhosts file.
        !            91: Entries for local hosts from the main database will be omitted.
        !            92: This allows the localhosts file to completely override
        !            93: any entries in the input file.
        !            94: .PP
        !            95: .I Htable
        !            96: is best used in conjunction with the
        !            97: .IR gettable (8C)
        !            98: program which retrieves the NIC database from a host.
        !            99: .SH "SEE ALSO"
        !           100: intro(3N),
        !           101: gettable(8C),
        !           102: named(8)
        !           103: .SH BUGS
        !           104: If the name-domain system provided network name mapping well as host
        !           105: name mapping,
        !           106: .I htable
        !           107: would no longer be needed.

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