12-05-2005
what are the three levels of the UNIX op? i i found 4 different sites and the say different.
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NUKE(8) System Manager's Manual NUKE(8)
NAME
nuke - launch nuclear weapons at mapped USENET sites
SYNOPSIS
/etc/nuke [-y yield] [-a height] [-hcm] sitename...
DESCRIPTION
Nuke employs the `missile coordinate' fields in the USENET map database and Internet connections to a server interfaced with AUTOVON to lob
nuclear weapons at other UNIX sites, specified by name. The default warhead is a single 25KT groundburst tac nuke; options support other
combinations of warhead size, type and deployment.
The -y option specifies a yield. The argument must be a number suffixed by K or M, for kiloton or megaton respectively. Yield arguments
above 255M are quietly ignored.
The -a option specifies an air-burst height in meters.
The -h option specifies thermonuclear (hydrogen) weapons.
The -c option specifies cobalt-jacketed warheads for permanent site interdiction.
The -m option, useful with multiple-site nuke calls, invokes code which optimizes delivery using MIRVed warheads to minimize launches.
In accordance with the normal UNIX design philosophy nuke does not prevent you from nuking yourself.
FILES
/usr/lib/maps/* USENET map file database
BUGS
If a target site has given only nearest-city coordinates in its map entry, incorrect targeting and significant collateral casualties may
result.
Heavy use of nuke may cause EMP effects which interfere with Internet service.
NOTE
This command is restricted to super-users only.
AUTHOR
Eric S. Raymond <esr@thyrsus.com>
UNIX
13 October 1991 NUKE(8)