X	distribution of software

	1
X	redistribution of software

	1
X	CD distribution

	1
X	free software
CD distribution of
	1
S	UNIX

	2
X	graphical interfaces

	2
X	integration

	2
X	commands

	3
X	key bindings

	3
E	UNIX

	4
S	free software

	4
S	software
free
	4
X	public domain software

	5
X	freely distributable software

	5
X	ownership
software
	5
X	software
ownership of
	5
X	distribution of software

	5
X	redistribution of software

	5
X	license

	5
X	GPL (General Public License)

	5
N	General Public License


(see GPL)	
N	copyleft


(see GPL)	
X	Free Software Foundation (FSF)

	5
X	Free Software Foundation (FSF)

	6
X	LGPL (Limited GPL)

	6
X	cost of free software

	6
X	quality of free software

	7
X	bugs in free software

	7
X	security
free software and
	7
X	viruses

	7
X	Trojan horses

	7
X	technical support

	7
X	support, technical

	7
X	distribution of software

	8
X	commercial software

	8
X	gcc (GNU C compiler)

	8
X	libraries

	8
X	LGPL (Limited GPL)

	9
X	bison utility

	9
X	byacc package

	9
X	GNU project

	9
X	UNIX
GNU project
	9
X	Cygnus Support, Inc.

	9
E	free software

	10
E	software
free
	10
X	flex package

	10
X	byacc package

	10
X	Windows NT

	11
X	Microsoft Windows NT

	11
X	VAX/VMS

	11
X	binaries, installing

	11
X	installing binaries

	11
X	read.me file (on CD)

	11
X	hard drive, copying to

	11
X	updating
software tools
	11
X	software
updating
	11
X	support, technical

	11
X	technical support

	11
X	Cyclic Software

	12
X	FTP, obtaining software via

	12
X	software
obtaining via FTP
	12
S	free software
culture of
	13
S	culture of free software

	13
S	resources
GNU
	13
X	Free Software Foundation (FSF)

	13
X	newsgroups, GNU information via

	13
X	USENET, GNU information via

	13
X	League for Programming Freedom (LPF)

	14
X	LPF (League for Programming Freedom)

	14
E	free software
culture of
	14
E	culture of free software

	14
E	resources
GNU
	14