Sun Solaris			2.5	solaris		2.5	$uname =~ /SunOS.*\s5\.5\s/i
Sun Solaris			2.5.1	solaris		2.5.1	$uname =~ /SunOS.*\s5\.5\.1\s/i
Sun Solaris			2.6	solaris		2.6	$uname =~ /SunOS.*\s5\.6\s/i
Sun Solaris			7	solaris		7	$uname =~ /SunOS.*\s5\.7\s/i
Caldera OpenLinux eServer	2.3	open-linux	2.3e	$etc_issue =~ /OpenLinux.*eServer.*\n.*\s2\.3\s/i
Caldera OpenLinux		2.3	open-linux	2.3	$etc_issue =~ /OpenLinux.*\n.*\s2\.3\s/i
Caldera OpenLinux		2.4	open-linux	2.4	$etc_issue =~ /OpenLinux.*\n.*\s2\.4\s/i
Redhat Linux			4.0	redhat-linux	4.0
Redhat Linux			4.1	redhat-linux	4.1
Redhat Linux			4.2	redhat-linux	4.2
Redhat Linux			5.0	redhat-linux	5.0	$etc_issue =~ /red\s*hat.*\s5\.0/i
Redhat Linux			5.1	redhat-linux	5.1	$etc_issue =~ /red\s*hat.*\s5\.1/i
Redhat Linux			5.2	redhat-linux	5.2	$etc_issue =~ /red\s*hat.*\s5\.2/i
Redhat Linux			6.0	redhat-linux	6.0	$etc_issue =~ /red\s*hat.*\s6\.0/i
Redhat Linux			6.1	redhat-linux	6.1	$etc_issue =~ /red\s*hat.*\s6\.1/i
Slackware Linux			3.2	slackware-linux	3.2
Slackware Linux			3.3	slackware-linux	3.3
Slackware Linux			3.4	slackware-linux	3.4
Slackware Linux			3.5	slackware-linux	3.5
Slackware Linux			3.6	slackware-linux	3.6
Slackware Linux			4.0	slackware-linux	4.0
Slackware Linux			7.0	slackware-linux	7.0
Debian Linux			1.3	debian-linux	1.3
Debian Linux			2.0	debian-linux	2.0	$etc_issue =~ /Debian.*\s2\.0\s/i
Debian Linux			2.1	debian-linux	2.1	$etc_issue =~ /Debian.*\s2\.1\s/i
Debian Linux			2.2	debian-linux	2.2	$etc_issue =~ /Debian.*\s2\.2\s/i
SuSE Linux			5.1	suse-linux	5.1
SuSE Linux			5.2	suse-linux	5.2
SuSE Linux			5.3	suse-linux	5.3
SuSE Linux			6.0	suse-linux	6.0	$etc_issue =~ /SuSE\s+Linux\s+6\.0\s/i
SuSE Linux			6.1	suse-linux	6.1	$etc_issue =~ /SuSE\s+Linux\s+6\.1\s/i
SuSE Linux			6.2	suse-linux	6.2	$etc_issue =~ /SuSE\s+Linux\s+6\.2\s/i
SuSE Linux			6.3	suse-linux	6.2	$etc_issue =~ /SuSE\s+Linux\s+6\.3\s/i
Corel Linux			1.0	corel-linux	1.0	$etc_issue =~ /Corel\s+LINUX\s+1\.0/i;
TurboLinux			4.0	turbo-linux	4.0	`cat /etc/turbolinux-release 2>&1` =~ /release\s+4\.0\s+/i
Mandrake Linux			5.3	redhat-linux	5.0	$etc_issue =~ /Mandrake\s+release\s+5\.3/i
Mandrake Linux			6.0	redhat-linux	6.0	$etc_issue =~ /Mandrake\s+release\s+6\.0/i
Mandrake Linux			6.1	redhat-linux	6.0	$etc_issue =~ /Mandrake\s+release\s+6\.1/i
Mandrake Linux			7.0	redhat-linux	6.1	$etc_issue =~ /Mandrake\s+release\s+7\.0/i
Delix DLD Linux			5.2	redhat-linux	4.0
Delix DLD Linux			5.3	redhat-linux	5.0
Delix DLD Linux			6.0	redhat-linux	6.0
MkLinux				DR2.1	redhat-linux	4.0
MkLinux				DR3	redhat-linux	5.0
FreeBSD				2.1	freebsd		2.1	$uname =~ /FreeBSD.*\s2\.1/i
FreeBSD				2.2	freebsd		2.2	$uname =~ /FreeBSD.*\s2\.2/i
FreeBSD				3.0	freebsd		3.0	$uname =~ /FreeBSD.*\s3\.0/i
FreeBSD				3.1	freebsd		3.1	$uname =~ /FreeBSD.*\s3\.1/i
FreeBSD				3.2	freebsd		3.2	$uname =~ /FreeBSD.*\s3\.2/i
FreeBSD				3.3	freebsd		3.3	$uname =~ /FreeBSD.*\s3\.3/i
FreeBSD				3.4	freebsd		3.4	$uname =~ /FreeBSD.*\s3\.4/i
FreeBSD				4.0	freebsd		4.0	$uname =~ /FreeBSD.*\s4\.0/i
OpenBSD				2.5	openbsd		2.5	$uname =~ /OpenBSD.*\s2\.5/i
OpenBSD				2.6	openbsd		2.6	$uname =~ /OpenBSD.*\s2\.6/i
BSDI				3.0	freebsd		2.2
BSDI				3.1	freebsd		2.2
BSDI				4.0	freebsd		3.0
HP/UX				10.01	hpux		10.01
HP/UX				10.10	hpux		10.10
HP/UX				10.20	hpux		10.20
HP/UX				10.30	hpux		10.30
HP/UX				11	hpux		11
SGI Irix			6.0	irix		6.0
SGI Irix			6.1	irix		6.1
SGI Irix			6.2	irix		6.2
DEC/Compaq OSF/1		4.0	osf1		4.0
IBM AIX				4.3	aix		4.3
SCO UnixWare			7	unixware	7
SCO UnixWare			2	unixware	2
SCO OpenServer			5	openserver	5
MacOS Server X			1.0	macos		1.0

