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Annotation of researchv10no/ipc/internet/htable/htable.8, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1983 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted
        !             5: .\" provided that the above copyright notice and this paragraph are
        !             6: .\" duplicated in all such forms and that any documentation,
        !             7: .\" advertising materials, and other materials related to such
        !             8: .\" distribution and use acknowledge that the software was developed
        !             9: .\" by the University of California, Berkeley.  The name of the
        !            10: .\" University may not be used to endorse or promote products derived
        !            11: .\" from this software without specific prior written permission.
        !            12: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            13: .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            14: .\" WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            15: .\"
        !            16: .\"    @(#)htable.8    6.4 (Berkeley) 9/20/88
        !            17: .\"
        !            18: .TH HTABLE 8 "September 20, 1988"
        !            19: .UC 5
        !            20: .SH NAME
        !            21: htable \- convert NIC standard format host tables
        !            22: .SH SYNOPSIS
        !            23: .B /etc/htable
        !            24: [
        !            25: .B \-c
        !            26: .I connected-nets
        !            27: ] [
        !            28: .B \-l
        !            29: .I local-nets
        !            30: ]
        !            31: .I file
        !            32: .SH DESCRIPTION
        !            33: .I Htable
        !            34: is used to convert host files in the format specified
        !            35: in Internet RFC 810 to the format used by the network
        !            36: library routines.  Three files are created as a result
        !            37: of running 
        !            38: .IR htable :
        !            39: .IR hosts ,
        !            40: .IR networks ,
        !            41: and
        !            42: .IR gateways .
        !            43: The 
        !            44: .I hosts
        !            45: file may be used by the 
        !            46: .IR gethostbyname (3N)
        !            47: routines in mapping host names to addresses
        !            48: if the nameserver,
        !            49: .IR named (8),
        !            50: is not used.
        !            51: The
        !            52: .I networks
        !            53: file is used by the
        !            54: .IR getnetent (3N)
        !            55: routines in mapping network names to numbers.
        !            56: The
        !            57: .I gateways
        !            58: file may be used by the routing daemon
        !            59: in identifying ``passive'' Internet gateways;
        !            60: see
        !            61: .IR routed (8C)
        !            62: for an explanation.
        !            63: .PP
        !            64: If any of the files
        !            65: .IR localhosts ,
        !            66: .IR localnetworks ,
        !            67: or
        !            68: .I localgateways
        !            69: are present in the current directory,
        !            70: the file's contents is prepended to the
        !            71: output file.
        !            72: Of these, only the gateways file is interpreted.
        !            73: This allows sites to maintain local aliases and
        !            74: entries which are not normally present in the
        !            75: master database.
        !            76: Only one gateway to each network will be placed in the gateways file;
        !            77: a gateway listed in the localgateways file will override any in the
        !            78: input file.
        !            79: .PP
        !            80: If the gateways file is to be used,
        !            81: a list of networks to which the host is directly connected
        !            82: is specified with the
        !            83: .B \-c
        !            84: flag.
        !            85: The networks, separated by commas,
        !            86: may be given by name or in Internet-standard dot notation,
        !            87: e.g.
        !            88: .B \-c
        !            89: arpanet,128.32,local-ether-net.
        !            90: .I Htable
        !            91: only includes gateways
        !            92: which are directly connected to one of the networks specified,
        !            93: or which can be reached from another gateway on a connected net.
        !            94: .PP
        !            95: If the
        !            96: .B \-l
        !            97: option is given with a list of networks (in the same format as for
        !            98: .BR \-c ),
        !            99: these networks will be treated as ``local,''
        !           100: and information about hosts on local networks is
        !           101: taken only from the localhosts file.
        !           102: Entries for local hosts from the main database will be omitted.
        !           103: This allows the localhosts file to completely override
        !           104: any entries in the input file.
        !           105: .PP
        !           106: .I Htable
        !           107: is best used in conjunction with the
        !           108: .IR gettable (8)
        !           109: program which retrieves the NIC database from a host.
        !           110: .SH "SEE ALSO"
        !           111: netintro(4), gettable(8), named(8)
        !           112: .SH BUGS
        !           113: If the name-domain system provided network name mapping well as host
        !           114: name mapping,
        !           115: .I htable
        !           116: would no longer be needed.

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