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NUKE(8)			    System Manager's Manual		       NUKE(8)

       nuke - launch nuclear weapons at	known sites.

       /sbin/nuke [-y yield] [-a height] [-hcme] sitename...

       Nuke  utilises the GPOS records in the Domain Name System to target and
       launch nuclear weapons at other UNIX sites, specified by	machine	name.

       If no GPOS records are found for	the site, nuke	employs	 the  `missile
       coordinate'  fields in the USENET map database and Internet connections
       to a server interfaced with AUTOVON to locate coordinates for the spec-
       ified site.

       The  -y	option	specifies a yield.  The	argument must be a number suf-
       fixed by	K or M,	for kiloton or megaton respectively.  Yield  arguments
       above  255M are quietly ignored.	 If this option	is not specified a de-
       fault of	25K is used.

       The -a option specifies an air-burst height in meters.  If this	option
       is not specified	a default of 1 (ground burst) is used.

       The -h option specifies thermonuclear (hydrogen)	weapons.

       The -c option specifies cobalt-jacketed warheads	for permanent site in-

       The -m option, useful with multiple-site	nuke calls, invokes code which
       optimizes delivery using	MIRVed warheads	to minimize launches.

       The  -e option requests disablement of computer equipment by way	of EMP
       pulse only.  This option	should leave the lusers	intact,	however	 those
       with pacemakers may not survive.

       In accordance with the normal UNIX design philosophy nuke does not pre-
       vent you	from nuking yourself.

       /usr/lib/maps/*		USENET map file	database

       If a target site	has given only nearest-city coordinates	in its map en-
       try,  incorrect targeting and significant collateral casualties may re-

       If no coordinates can be	found for the target site, nuke	should	cancel
       the launch.  Behaviour in this instance is indeterminate, especially if
       pmsd(8) is running.

       Heavy use of nuke may cause EMP effects which interfere	with  Internet

       Nuke  does  not make enough of an effort	to locate coordinates, and may
       be subject to corrupted data.

       This command is restricted to super-users only.

       Origiinal: Eric S. Raymond <> 13 October	1991  Updated:
       Bruce. <> 8 November 1997

UNIX				8 November 1997			       NUKE(8)


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