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# Pardus Linux
Pardus Linux 1.0 pardus-linux 1.0 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+1.0\s+/i
Pardus Linux 2007 pardus-linux 2007 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2007\s+/i
Pardus Linux 2007.1 Felis chaus pardus-linux 2007.1 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2007.1\s+/i
Pardus Linux 2007.2 Caracac caracal pardus-linux 2007.2 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2007.2\s+/i
Pardus Linux 2007.3 Lynx lynx pardus-linux 2007.3 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2007.3\s+/i
Pardus Linux 2008 pardus-linux 2008 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2008\s+/i
Pardus Linux 2008.1 Hyaena hyaena pardus-linux 2008.1 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2008.1\s+/i
Pardus Linux 2008.2 Canis aureus pardus-linux 2008.2 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2008.2\s+/i
Pardus Linux 2009 pardus-linux 2009 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2009\s+/i
Pardus Linux 2009.1 Anthropoides virgo pardus-linux 2009.1 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2009.1\s+/i
Pardus Linux 2009.2 Geronticus eremita pardus-linux 2009.2 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2009.2\s+/i
Pardus Linux 2011 pardus-linux 2011 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2011\s+/i
Pardus Linux 2011.1 Dama Dama pardus-linux 2011 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2011\s+/i
Pardus Linux 2011.2 Cervus elaptus pardus-linux 2011 `cat /etc/pardus-release 2>/dev/null` =~ /Pardus\s+2011\s+/i
# Solaris forks
SmartOS $2 solaris $2 $uname =~ /SunOS.*\s5\.(\S+)\s(joyent_\d{8}T\d{6}Z)/i
# Sun Solaris
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 $1 solaris $1 $uname =~ /SunOS.*\s5\.(\S+)\s/i
# Caldera clones
Lycoris Desktop/LX 1.0 open-linux 3.1e $etc_issue =~ /Lycoris Desktop/i
# Caldera's Linux
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
Caldera OpenLinux 2.5 open-linux 2.5 $etc_issue =~ /OpenLinux.*\n.*\s2\.5\s/i || $etc_issue =~ /Caldera.*2000/i
Caldera OpenLinux 3.1 open-linux 3.1e $etc_issue =~ /OpenLinux.*3\.1/i
Caldera OpenLinux 3.2 open-linux 3.2e $etc_issue =~ /OpenLinux.*3\.2/i
# Redhat enterprise clones
Asianux Server $1 redhat-linux $1+10.0 `cat /etc/asianux-release 2>/dev/null` =~ /Asianux\s+Server\s+(\d+)/i
Asianux $1 redhat-linux $1+10.0 `cat /etc/asianux-release 2>/dev/null` =~ /Asianux\s+release\s+(\d+\.\d+)/i
Whitebox Linux $1 redhat-linux 10.0 `cat /etc/whitebox-release 2>/dev/null` =~ /White\s+Box\s+Enterprise\s+Linux\s+release\s+(\S+)/i
Tao Linux $1 redhat-linux 10.0 `cat /etc/redhat-release 2>/dev/null` =~ /Tao\s+Linux\s+release\s+(\S+)/i
CentOS Linux $1 redhat-linux 10.0 `cat /etc/centos-release /etc/redhat-release 2>/dev/null` =~ /CentOS\s+release\s+(\S+)/i && $1 < 4
CentOS Linux $2 redhat-linux $2+8.0 `cat /etc/centos-release /etc/redhat-release 2>/dev/null` =~ /CentOS\s+(Linux\s+)?release\s+(\S+)/i && $2 >= 4
CentOS Stream Linux $2 redhat-linux $2+8.0 `cat /etc/centos-release /etc/redhat-release 2>/dev/null` =~ /CentOS\s+(Stream\s+)?release\s+(\S+)/i && $2 >= 4
Springdale Linux $2 redhat-linux $2+8.0 `cat /etc/centos-release /etc/redhat-release 2>/dev/null` =~ /Springdale\s+(Linux\s+)?release\s+(\S+)/i && $2 >= 4
Virtuozzo Linux $2 redhat-linux $2+8.0 `cat /etc/centos-release /etc/redhat-release 2>/dev/null` =~ /Springdale\s+(Linux\s+)?release\s+(\S+)/i && $2 >= 4
Scientific Linux $1 redhat-linux 10.0 `cat /etc/redhat-release 2>/dev/null` =~ /Scientific\s+Linux.*\s+release\s+(\S+)/i && $1 < 4
Scientific Linux $1 redhat-linux $1+8.0 `cat /etc/redhat-release 2>/dev/null` =~ /Scientific\s+Linux.*\s+release\s+([0-9\.]+)/i && $1 >= 4
Gralinux $1 redhat-linux $2+8.0 `cat /etc/redhtat-release 2>/dev/null` =~ /Gralinux\s+(ES|AS|WS)\s+release\s+(\d+)/i
NeoShine Linux $1 redhat-linux $1+10 `cat /etc/neoshine-release 2>/dev/null` =~ /NeoShine\s+Linux.*release\s+(\d+)/i
Endian Firewall Linux $1 redhat-linux $1+10.0 `cat /etc/endian-release 2>/dev/null` =~ /release\s+(\S+)/
Oracle Enterprise Linux $1 redhat-linux $1+8.0 `cat /etc/enterprise-release 2>/dev/null` =~ /Enterprise.*Linux\s+Enterprise\s+Linux\s+Server\s+release\s+(\d+)/i
Oracle Linux $1 redhat-linux $1+8.0 `cat /etc/oracle-release 2>/dev/null` =~ /Oracle\s+Linux\s+Server\s+.*?([0-9\.]+)/i
Oracle VM $1 redhat-linux $1+8.0 `cat /etc/ovs-release 2>/dev/null` =~ /Oracle.*VM\s+server\s+release\s+(\d+)/i
XenServer Linux $1 redhat-linux 13.0 `cat /etc/redhat-release 2>/dev/null` =~ /XenServer\s+release\s+5\./
XCP-ng Linux $1 redhat-linux $2+8.0 `cat /etc/redhat-release 2>/dev/null` =~ /XCP-ng\s+release\s+([\d\.]+)/
MostlyLinux $1 redhat-linux $2+8.0 `cat /etc/redhat-release 2>/dev/null` =~ /MostlyLinux\s+Linux\s+release\s+(\d+)/
Cloudrouter Linux $1 redhat-linux 15 `cat /etc/cloudrouter-release 2>/dev/null` =~ /CloudRouter\s+release\s+(\d+)\s+/
Sangoma Linux $1 redhat-linux $2+8.0 `cat /etc/sangoma-release 2>/dev/null` =~ /Sangoma\s+Linux\s+(\S+)/
Virtuozzo Linux $1 redhat-linux $2+8.0 `cat /etc/vzlinux-release 2>/dev/null` =~ /Virtuozzo\s+Linux\s+release\s+(\S+)/
Citrix Hypervisor $1 redhat-linux $2+8.0 `cat /etc/os-release 2>/dev/null` =~ /Citrix\s+Hypervisor\s+(\S+)/
# Redhat enterprise versions
Redhat Enterprise Linux 2.1AS redhat-linux 7.3 `cat /etc/redhat-release 2>/dev/null` =~ /(Advanced\s+Server.*2\.1)|(AS.*2\.1)/i
Redhat Enterprise Linux 2.1ES redhat-linux 7.3 `cat /etc/redhat-release 2>/dev/null` =~ /ES.*2\.1/
Redhat Enterprise Linux 2.1WS redhat-linux 7.3 `cat /etc/redhat-release 2>/dev/null` =~ /WS.*2\.1/
Redhat Enterprise Linux 3.0AS redhat-linux 10.0 `cat /etc/redhat-release 2>/dev/null` =~ /(3\.0AS)|(2\.9\.5AS)|(AS\s+release\s+3)/i
Redhat Enterprise Linux "$2$1" redhat-linux $2 >= 4 ? $2+8.0 : 10.0 `cat /etc/redhat-release 2>/dev/null` =~ /(ES|AS|WS)\s+release\s+(\S+)/
Redhat Enterprise Linux $3 redhat-linux $3+8.0 `cat /etc/redhat-release 2>/dev/null` =~ /Red.*Hat\s+Enterprise\s+Linux(\s+(Server|Client|Workstation|Everything))?\s+release\s+([0-9\.]+)/i
# Redhat enterprise desktop
Redhat Linux Desktop $1 redhat-linux 10.0 `cat /etc/redhat-release 2>/dev/null` =~ /Desktop\s+release\s+(\S+)/i || `cat /etc/redhat-release 2>/dev/null` =~ /ES\s+release\s+(\S+)/i
# Redhat clones
AlmaLinux $1 redhat-linux $1+8.0 `cat /etc/almalinux-release 2>/dev/null` =~ /AlmaLinux.*?([\d\.]+)/i || `cat /etc/redhat-release 2>/dev/null` =~ /AlmaLinux.*?([\d\.]+)/i
CloudLinux $1 redhat-linux $1+8.0 `cat /etc/cloudlinux-release 2>/dev/null` =~ /CloudLinux.*?([\d\.]+)/i || `cat /etc/redhat-release 2>/dev/null` =~ /CloudLinux.*?([\d\.]+)/i
Rocky Linux $1 redhat-linux $1+8.0 `cat /etc/rocky-release 2>/dev/null` =~ /Rocky.*?([\d\.]+)/i || `cat /etc/redhat-release 2>/dev/null` =~ /Rocky.*?([\d\.]+)/i
openEuler LTS $1 redhat-linux sprintf("%d", $1+16.0) `cat /etc/os-release 2>/dev/null` =~ /openEuler.*?([\d\.]+).*?LTS/i
openEuler Innovation $1 redhat-linux sprintf("%d", $1+16.0) `cat /etc/os-release 2>/dev/null` =~ /openEuler\s+(?:\d+(?:\.\d+)?)["']?$/i
AlphaCore Linux $1 redhat-linux 11.0 `cat /etc/alphacore-release 2>/dev/null` =~ /Alpha\s*Core\s+release\s+(\S+)\s/i
X/OS Linux $1 redhat-linux sprintf("%.1f", 9.0+$1) `cat /etc/redhat-release /etc/fedora-release 2>/dev/null` =~ /X\/OS.*release\s(\S+)\s/i
Haansoft Linux $1 redhat-linux 10.0 `cat /etc/Haansoft-release 2>/dev/null` =~ /Haansoft\s+Linux\s+OS\s+release\s+(\S+)/i
cAos Linux $1 redhat-linux sprintf("%.1f", 10.0+$1) `cat /etc/caos-release 2>/dev/null` =~ /release\s+(\S+)/i
Wind River Linux 3.0 redhat-linux 18.0 `cat /etc/wrs-release 2>/dev/null` =~ /Wind\s+River\s+Linux\s+3\.0/
Wind River Linux 2.0 redhat-linux 16.0 `cat /etc/wrs-release 2>/dev/null` =~ /Wind\s+River\s+Linux\s+2\.0/
# Amazon Linux (1.x)
Amazon Linux $1 redhat-linux 20.0 `cat /etc/system-release 2>/dev/null` =~ /Amazon\s+Linux.*\s(201[1-9])/
# Amazon Linux (2, approximately based on CentOS 7)
Amazon Linux $1 redhat-linux 15.0 `cat /etc/system-release 2>/dev/null` =~ /Amazon\s+Linux\s+(2)\n/ || `cat /etc/system-release 2>/dev/null` =~ /Amazon\s+Linux\s+release\s+(2)\s/
# Amazon Linux (3, approximately based on Fedora)
Amazon Linux $1 redhat-linux 34.0 `cat /etc/system-release 2>/dev/null` =~ /Amazon\s+Linux\s+release\s+([\d+]{4})/i
# Free Redhat Linux and Fedora
Redhat Linux $1 redhat-linux $1 `cat /etc/redhat-release 2>/dev/null` =~ /red.*hat.*release\s+(\S+)/i && `cat /etc/redhat-release 2>/dev/null` !~ /[eE]nterprise|AS|ES|WS|[aA]dvanced/
Fedora Linux $1 redhat-linux sprintf("%.1f", 9.0+$1) `cat /etc/redhat-release /etc/fedora-release 2>/dev/null` =~ /Fedora.*\s([0-9\.]+)\s/i || `cat /etc/redhat-release /etc/fedora-release 2>/dev/null` =~ /Fedora.*\sFC(\S+)\s/i
# Slackware clones
White Dwarf Linux 2.1.0 slackware-linux 8.1 `cat /tmp/wd/version 2>/dev/null` =~ /2\.1\.0/
Slamd64 Linux $1 slackware-linux 11.1 `cat /etc/slamd64-version 2>/dev/null` =~ /\s([0-9\.]+)/
# Slackware Linux
Slackware Linux $1 slackware-linux $1 `cat /etc/slackware-version 2>/dev/null` =~ /Slackware ([0-9\.]+)/i
# Debian clones
Xandros Linux 2.0 debian-linux 3.0 $etc_issue =~ /Xandros.*\s2\.0/i
Xandros Linux 3.0 debian-linux 3.1 $etc_issue =~ /Xandros.*\s3\.0/i
Xandros Linux $1 debian-linux 3.2 $etc_issue =~ /Xandros.*\s(4\.\d+)/i
APLINUX 1.3 debian-linux 3.1 $etc_issue =~ /APLINUX.*1\.3/i
BigBlock $1 suse-linux 8.2 `cat /etc/bigblock-revision 2>/dev/null` =~ /Version:\s(1[0-9\.-]+)\s/i
BigBlock $1 debian-linux 3.0 `cat /etc/bigblock-revision 2>/dev/null` =~ /Version:\s(2[0-9\.-]+)\s/i
Pop!OS $1 debian-linux 13.0 $os_release =~ /Pop!OS\s+(22\.[0-9\.]+)/
Ubuntu Linux $1 debian-linux 4.0 $etc_issue =~ /Ubuntu.*\sgutsy/i
Ubuntu Linux $1 debian-linux 4.0 $etc_issue =~ /Ubuntu.*\s(7\.[0-9\.]+)\s/i
Ubuntu Linux $1 debian-linux 4.0 $etc_issue =~ /Ubuntu.*\s(8\.[0-9\.]+)\s/i
Ubuntu Linux $1 debian-linux 5.0 $etc_issue =~ /Ubuntu.*\s(9\.[0-9\.]+)\s/i
Ubuntu Linux $1 debian-linux 5.0 $etc_issue =~ /Ubuntu.*\s(10\.[0-9\.]+)\s/i
Ubuntu Linux $1 debian-linux 6.0 $etc_issue =~ /Ubuntu.*\s(11\.[0-9\.]+)\s/i || $etc_issue =~ /Ubuntu\s+natty/i
Ubuntu Linux $1 debian-linux 7.0 $etc_issue =~ /Ubuntu.*\s(12\.[0-9\.]+)\s/i || $etc_issue =~ /Ubuntu\s+precise/i
Ubuntu Linux $1 debian-linux 8.0 $os_release =~ /Ubuntu\s+(13\.[0-9\.]+)/ || $etc_issue =~ /Ubuntu.*\s(13\.[0-9\.]+)\s/i || $etc_issue =~ /Ubuntu\s+raring/i
Ubuntu Linux $1 debian-linux 8.0 $os_release =~ /Ubuntu\s+(14\.[0-9\.]+)/ || $etc_issue =~ /Ubuntu.*\s(14\.[0-9\.]+)\s/i || $etc_issue =~ /Ubuntu\s+trusty/i
Ubuntu Linux $1 debian-linux 8.0 $os_release =~ /Ubuntu\s+(15\.[0-9\.]+)/ || $etc_issue =~ /Ubuntu.*\s(15\.[0-9\.]+)\s/i || $etc_issue =~ /Ubuntu\s+vidid/i
Ubuntu Linux $1 debian-linux 9.0 $os_release =~ /Ubuntu\s+(16\.[0-9\.]+)/ || $etc_issue =~ /Ubuntu.*\s(16\.[0-9\.]+)\s/i || $etc_issue =~ /Ubuntu\s+xenial/i
Ubuntu Linux $1 debian-linux 9.0 $os_release =~ /Ubuntu\s+(17\.[0-9\.]+)/ || $etc_issue =~ /Ubuntu.*\s(17\.[0-9\.]+)\s/i
Ubuntu Linux $1 debian-linux 9.0 $os_release =~ /Ubuntu\s+(18\.[0-9\.]+)/ || $etc_issue =~ /Ubuntu.*\s(18\.[0-9\.]+)\s/i || $etc_issue =~ /Ubuntu\s+bionic/i
Ubuntu Linux $1 debian-linux 11.0 $os_release =~ /Ubuntu\s+(20\.[0-9\.]+)/ || $etc_issue =~ /Ubuntu.*\s(20\.[0-9\.]+)\s/i || $etc_issue =~ /Ubuntu\s+focal/i
Ubuntu Linux $1 debian-linux 12.0 $os_release =~ /Ubuntu\s+(21\.[0-9\.]+)/ || $etc_issue =~ /Ubuntu.*\s(21\.[0-9\.]+)\s/i || $etc_issue =~ /Ubuntu\s+(hirsute|impish)/i
Ubuntu Linux $1 debian-linux 13.0 $os_release =~ /Ubuntu\s+(22\.[0-9\.]+)/ || $etc_issue =~ /Ubuntu.*\s(22\.[0-9\.]+)\s/i || $etc_issue =~ /Ubuntu\s+jammy/i
Ubuntu Linux $1 debian-linux 14.0 $os_release =~ /Ubuntu\s+(24\.[0-9\.]+)/ || $etc_issue =~ /Ubuntu.*\s(24\.[0-9\.]+)\s/i || $etc_issue =~ /Ubuntu\s+noble/i
Ubuntu Linux $1 debian-linux 3.1 $etc_issue =~ /Ubuntu.*\s([0-9\.]+)\s/i
Mepis Linux $1 debian-linux $1 $etc_issue =~ /MEPIS/ && `cat /etc/debian_version 2>/dev/null` =~ /([0-9\.]+)/
Mepis Linux $1 debian-linux 4.0 $etc_issue =~ /MEPIS/ && `cat /etc/debian_version 2>/dev/null` =~ /(stable)/
Devuan Linux $1 debian-linux 8.0 $etc_issue =~ /Devuan/ && `cat /etc/devuan_version 2>/dev/null` =~ /^(jessie)/i
Devuan Linux $1 debian-linux 9.0 $etc_issue =~ /Devuan/ && `cat /etc/devuan_version 2>/dev/null` =~ /^(ascii)/i
Devuan Linux $1 debian-linux 10.0 $etc_issue =~ /Devuan/ && `cat /etc/devuan_version 2>/dev/null` =~ /^(beowulf)/i
Devuan Linux $1 debian-linux 10.0 $etc_issue =~ /Devuan/ && `cat /etc/devuan_version 2>/dev/null` =~ /^(ceres)/i
Devuan Linux $1 debian-linux 11.0 $etc_issue =~ /Devuan/ && `cat /etc/devuan_version 2>/dev/null` =~ /^(chimaera)/i
Devuan Linux $1 debian-linux 12.0 $etc_issue =~ /Devuan/ && `cat /etc/devuan_version 2>/dev/null` =~ /^(daedalus)/i
Devuan Linux $1 debian-linux 13.0 $etc_issue =~ /Devuan/ && `cat /etc/devuan_version 2>/dev/null` =~ /^(excalibur)/i
Raspbian Linux $1 debian-linux $1 `cat /etc/os-release 2>/dev/null` =~ /Raspbian\s+GNU\/Linux\s+(\S+)/
Kali GNU/Linux Rolling $1 debian-linux $1+5.0 $etc_issue =~ /Kali/ && `cat /etc/os-release 2>/dev/null` =~ /VERSION=\"([0-9\.]+)\"/
Parrot OS $1 debian-linux $1+5.0 $etc_issue =~ /Parrot/ && `cat /etc/os-release 2>/dev/null` =~ /VERSION=\"([0-9\.]+).*\"/
Linux Lite $1 debian-linux $1+16.0 $etc_issue =~ /Linux\s+Lite\s+([0-9\.]+)/
# Linux Mint (Mint should be before Debian to avoid false-positive)
Linux Mint 6 debian-linux 5.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 6 Felicia"/
Linux Mint 7 debian-linux 5.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 7 Gloria"/
Linux Mint 8 debian-linux 6.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 8 Helena"/
Linux Mint 9 debian-linux 6.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 9 Isadora"/
Linux Mint 10 debian-linux 6.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 10 Julia"/
Linux Mint 11 debian-linux 6.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 11 Katya"/
Linux Mint 12 debian-linux 6.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 12 Lisa"/
Linux Mint 13 debian-linux 6.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 13 Maya"/
Linux Mint 14 debian-linux 6.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 14 Nadia"/
Linux Mint 15 debian-linux 7.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 15 Olivia"/
Linux Mint 16 debian-linux 8.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 16 Petra"/
Linux Mint 17 debian-linux 8.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 17 Qiana"/
Linux Mint 17.1 debian-linux 8.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 17.1 Rebecca"/
Linux Mint 17.2 debian-linux 8.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 17.2 Rafaela"/
Linux Mint 17.3 debian-linux 8.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 17.3 Rosa"/
Linux Mint 18 debian-linux 8.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 18 Sarah"/
Linux Mint 18.1 debian-linux 8.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 18.1 Serena"/
Linux Mint $1 debian-linux 11.0 `cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint ([0-9\.]+)\s+\w+/
# Debian Linux versions with numbers
Debian Linux $1 debian-linux $1 $etc_issue =~ /Debian.*\s([0-9\.]+)\s/i || `cat /etc/debian_version 2>/dev/null` =~ /([0-9\.]+)/
Debian Linux 2.0 debian-linux 2.0 `cat /etc/debian_version 2>/dev/null` =~ /^(hamm)/i
Debian Linux 2.1 debian-linux 2.1 `cat /etc/debian_version 2>/dev/null` =~ /^(slink)/i
Debian Linux 2.2 debian-linux 2.2 `cat /etc/debian_version 2>/dev/null` =~ /^(potato)/i
Debian Linux 3.0 debian-linux 3.0 `cat /etc/debian_version 2>/dev/null` =~ /^(woody)/i
Debian Linux 3.1 debian-linux 3.1 `cat /etc/debian_version 2>/dev/null` =~ /^(sarge)/i
Debian Linux 4.0 debian-linux 4.0 `cat /etc/debian_version 2>/dev/null` =~ /^(etch)/i
Debian Linux 5.0 debian-linux 5.0 `cat /etc/debian_version 2>/dev/null` =~ /^(lenny)/i
Debian Linux 6.0 debian-linux 6.0 `cat /etc/debian_version 2>/dev/null` =~ /^(squeeze)/i
Debian Linux 7.0 debian-linux 7.0 `cat /etc/debian_version 2>/dev/null` =~ /^(wheezy)/i
Debian Linux 8.0 debian-linux 8.0 `cat /etc/debian_version 2>/dev/null` =~ /^(jessie)/i
Debian Linux 9.0 debian-linux 9.0 `cat /etc/debian_version 2>/dev/null` =~ /^(stretch)/i
# These change sometimes...
Debian Linux 9.0 debian-linux 9.0 `cat /etc/debian_version 2>/dev/null` =~ /^(stable)/i
# These don't have a version number yet, so we use the one from "stable"
Debian Linux 10.0 debian-linux 10.0 `cat /etc/debian_version 2>/dev/null` =~ /^(testing)/i
Debian Linux 10.0 debian-linux 10.0 `cat /etc/debian_version 2>/dev/null` =~ /^(unstable)/i
Debian Linux 10.0 debian-linux 10.0 `cat /etc/debian_version 2>/dev/null` =~ /^(sid)/i
Debian Linux 10.0 debian-linux 10.0 `cat /etc/debian_version 2>/dev/null` =~ /^(buster)/i
Debian Linux 11.0 debian-linux 11.0 `cat /etc/debian_version 2>/dev/null` =~ /^(bullseye)/i
Debian Linux 12.0 debian-linux 12.0 `cat /etc/debian_version 2>/dev/null` =~ /^(bookworm)/i
Debian Linux 13.0 debian-linux 13.0 `cat /etc/debian_version 2>/dev/null` =~ /^(trixie)/i
# SuSE enterprise versions
SuSE OpenExchange Linux $1 suse-linux 8.2 `cat /etc/SLOX-release 2>/dev/null` =~ /VERSION\s+=\s+(\S+)/i
SuSE SLES Linux $1 suse-linux sprintf("%.1f", $1) $etc_issue =~ /SuSE\s+SLES-(\S+)/i
# openSUSE Linux (in 2006 with version 10.2, the SUSE Linux distribution was officially renamed to openSUSE)
openSUSE Linux $1 suse-linux $1 `cat /etc/os-release 2>/dev/null` =~ /openSUSE\s+Leap\s+(1[\d\.]+)/
# openSUSE Linux Tumbleweed
openSUSE Linux $1 suse-linux 15 `cat /etc/os-release 2>/dev/null` =~ /openSUSE\s+Tumbleweed/ && `cat /etc/os-release 2>/dev/null` =~ /VERSION_ID\s*=.*?(\d+)/
# SuSE Linux
SuSE Linux $1 suse-linux $1 `cat /etc/SuSE-release 2>/dev/null` =~ /([0-9\.]+)/ || `cat /etc/os-release 2>/dev/null` =~ /openSUSE\s+Leap\s+([\d\.]+)/ || $etc_issue =~ /SuSE\s+Linux\s+(\S+)\s/i || `cat /etc/SUSE-brand 2>/dev/null` =~ /VERSION\s*=\s(\S+)/
# United Linux only ever had version 1.0 I think
United Linux $1 united-linux $1 `cat /etc/UnitedLinux-release 2>/dev/null` =~ /([0-9\.]+)/
# Corel Linux
Corel Linux $1 corel-linux $1 $etc_issue =~ /Corel\s+LINUX\s+(\S+)/i
# Turbo Linux
TurboLinux $1 turbo-linux sprintf("%.1f", $1) `cat /etc/turbolinux-release 2>/dev/null` =~ /([0-9\.]+)/i
# Cobalt Linux, from the Raq and Qube systems
Cobalt Linux $1 cobalt-linux $1 $etc_issue =~ /Cobalt\s+Linux\s+release\s+(\S+)/i || `cat /etc/cobalt-release 2>/dev/null` =~ /([0-9\.]+)/
Cobalt Linux 6.4 cobalt-linux 6.4 `uname -r` =~ /2.2.16/ && -r "/etc/cobalt-release"
# Mandrake corporate
Mandrake Linux Corporate Server 1.0 redhat-linux 6.2 $etc_issue =~ /Mandrake\s+Corporate\s+Server\s+release\s+1\.0/i
# Mandrake derivatives
pclinuxos Linux 2005 mandrake-linux 10.0 `cat /etc/mandrake-release 2>/dev/null` =~ /pclinuxos\s+Linux\s+release\s+2005/i
pclinuxos Linux 2006 mandrake-linux 10.2 `cat /etc/mandrake-release 2>/dev/null` =~ /pclinuxos\s+Linux\s+release\s+2006/i
pclinuxos Linux 2007 mandrake-linux 10.3 `cat /etc/mandrake-release 2>/dev/null` =~ /PCLinuxOS\s+release\s+2007/i
pclinuxos Linux 2008 mandrake-linux 10.4 `cat /etc/mandrake-release 2>/dev/null` =~ /PCLinuxOS\s+release\s+2008/i
pclinuxos Linux 2009 mandrake-linux 10.5 `cat /etc/mandrake-release 2>/dev/null` =~ /PCLinuxOS\s+release\s+2009/i
Mageia Linux $1 mandrake-linux 2011 `cat /etc/mageia-release 2>/dev/null` =~ /Mageia\s+release\s+(\d+)/i
# Mandrake Linux
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
Mandrake Linux 7.1 redhat-linux 6.2 $etc_issue =~ /Mandrake\s+release\s+7\.1/i
Mandrake Linux $1 mandrake-linux $1 `cat /etc/mandrake-release 2>/dev/null` =~ /Mandrake.*?([0-9\.]+)/i || $etc_issue =~ /Mandrake\s+release\s+([0-9\.]+)/i || $etc_issue =~ /Mandrakelinux\s+release\s+([0-9\.]+)/i
# Mandriva Linux
Mandriva Linux $2 mandrake-linux 10.2 $etc_issue =~ /(Mandrakelinux|Mandriva).*(2006\.\d+)/i || `cat /etc/mandrake-release 2>/dev/null` =~ /(Mandrakelinux|Mandriva).*(2007\.\d+)/i
Mandriva Linux $2 mandrake-linux 10.3 $etc_issue =~ /(Mandrakelinux|Mandriva).*(2007\.\d+)/i || `cat /etc/mandrake-release 2>/dev/null` =~ /(Mandrakelinux|Mandriva).*(2007\.\d+)/i
Mandriva Linux $2 mandrake-linux 10.4 $etc_issue =~ /(Mandrakelinux|Mandriva).*(2008\.\d+)/i || `cat /etc/mandrake-release 2>/dev/null` =~ /(Mandrakelinux|Mandriva).*(2008\.\d+)/i
Mandriva Linux $2 mandrake-linux 10.5 $etc_issue =~ /(Mandrakelinux|Mandriva).*(2009\.\d+)/i || `cat /etc/mandrake-release 2>/dev/null` =~ /(Mandrakelinux|Mandriva).*(2009\.\d+)/i
Mandriva Linux $2 mandrake-linux $2 $etc_issue =~ /(Mandriva).*(20\d\d\.\d+)/i || `cat /etc/mandriva-release 2>/dev/null` =~ /(Mandriva).*(20\d\d\.\d+)/i
# Mandriva Corporate
Mandrake Linux Corporate Server $i mandrake-linux $i $etc_issue =~ /Mandrake\s+Linux\s+Corporate\s+Server\s+release\s+([0-9\.]+)/i
Mandriva Linux Enterprise Server 5.0 mandrake-linux 2009 $etc_issue =~ /Mandriva\s+Linux\s+Enterprise\s+Server\s+release\s+5\.0\s+\(Official\)\s+for\s+(i586|x86_64)/i
# Conectiva Linux (now subsumed into Mandrake?)
Conectiva Linux 3.0 redhat-linux 5.2 $etc_issue =~ /Conectiva.*Linux.*3\.0/i
Conectiva Linux 4.0 redhat-linux 6.0 $etc_issue =~ /Conectiva.*Linux.*4\.0/i
Conectiva Linux 4.1 redhat-linux 6.1 $etc_issue =~ /Conectiva.*Linux.*4\.1/i
Conectiva Linux 4.2 redhat-linux 6.1 $etc_issue =~ /Conectiva.*Linux.*4\.2/i
Conectiva Linux 5.0 redhat-linux 6.2 $etc_issue =~ /Conectiva.*Linux.*5\.0/i
Conectiva Linux 5.1 redhat-linux 6.2 $etc_issue =~ /Conectiva.*Linux.*5\.1/i
Conectiva Linux 6.0 redhat-linux 7.0 $etc_issue =~ /Conectiva.*Linux.*6\.0/i
Conectiva Linux 7.0 redhat-linux 7.1 $etc_issue =~ /Conectiva.*Linux.*7\.0/i
Conectiva Linux 8 redhat-linux 7.3 $etc_issue =~ /Conectiva.*Linux.*\s8/i
Conectiva Linux 9 redhat-linux 8.0 $etc_issue =~ /Conectiva.*Linux.*\s9/i
Conectiva Linux 10 redhat-linux 10.0 $etc_issue =~ /Conectiva.*Linux.*\s10\s/i
# ThizLinux Desktop
ThizLinux Desktop 5.0 redhat-linux 7.2 $etc_issue =~ /Thiz.*Linux.*\s5\.0/i
ThizLinux Desktop 6.0 redhat-linux 7.3 $etc_issue =~ /Thiz.*Linux.*\s6\.0/i
ThizLinux Desktop 6.2 redhat-linux 7.3 $etc_issue =~ /Thiz.*Linux.*\s6\.2/i
ThizLinux Desktop 7.0 redhat-linux 8.0 $etc_issue =~ /Thiz.*Linux.*\s7\.0/i
# ThizLinux Server
ThizServer 4.3 redhat-linux 7.1 $etc_issue =~ /Thiz.*\s?Server.*\s4\.3/i
ThizServer 6.0 redhat-linux 7.3 $etc_issue =~ /Thiz.*\s?Server.*\s6\.0/i
ThizServer 7.0 redhat-linux 8.0 $etc_issue =~ /Thiz.*\s?Server.*\s7\.0/i
# MSC Linux, which used date-based versions (no longer released)
MSC Linux January 2001 msc-linux 2001.2 `cat /etc/msclinux-release 2>/dev/null` =~ /2001.*January/i || $etc_issue =~ /2001.*January/i
MSC Linux February 2001 msc-linux 2001.2 `cat /etc/msclinux-release 2>/dev/null` =~ /2001.*February/i || $etc_issue =~ /2001.*February/i
MSC Linux May 2001 msc-linux 2001.5 `cat /etc/msclinux-release 2>/dev/null` =~ /2001.*May/i || $etc_issue =~ /2001.*May/i
MSC Linux June 2001 msc-linux 2001.6 `cat /etc/msclinux-release 2>/dev/null` =~ /2001.*June/i || $etc_issue =~ /2001.*June/i
MSC Linux August 2001 msc-linux 2001.8 `cat /etc/msclinux-release 2>/dev/null` =~ /2001.*August/i || $etc_issue =~ /2001.*August/i
MSC Linux February 2002 msc-linux 2002.2 `cat /etc/msclinux-release 2>/dev/null` =~ /2002.*February/i || $etc_issue =~ /2002.*February/i
MSC Linux March 2002 msc-linux 2002.3 `cat /etc/msclinux-release 2>/dev/null` =~ /2002.*March/i || $etc_issue =~ /2002.*March/i
MSC Linux May 2002 msc-linux 2002.5 `cat /etc/msclinux-release 2>/dev/null` =~ /2002.*May/i || $etc_issue =~ /2002.*May/i
MSC Linux July 2002 msc-linux 2002.7 `cat /etc/msclinux-release 2>/dev/null` =~ /2002.*July/i || $etc_issue =~ /2002.*July/i
MSC Linux Nov 2002 msc-linux 2002.11 `cat /etc/msclinux-release 2>/dev/null` =~ /2002.*Nov/i || $etc_issue =~ /2002.*Nov/i
# SCI Linux, which has replaced MSC Linux
SCI Linux 2003 Summer msc-linux 2003.6 `cat /etc/scilinux-relase 2>/dev/null` =~ /2003.*Summer/i
SCI Linux 2004 Summer msc-linux 2004.6 `cat /etc/scilinux-relase 2>/dev/null` =~ /2004.*Summer/i
SCI Linux 2005 Summer msc-linux 2005.6 `cat /etc/scilinux-relase 2>/dev/null` =~ /2005.*Summer/i
# PPC Linux
LinuxPPC 2000 redhat-linux 6.1 $etc_issue =~ /LinuxPPC\s+2000/i
# Trustix enterprise
Trustix SE $1 trustix-linux sprintf("%.1f", $1) $etc_issue =~ /Trustix.*Enterprise.*([0-9\.]+)/i
# Trustix Linux
Trustix 1.1 redhat-linux 6.2 $etc_issue =~ /Trustix.*1\.1/i
Trustix 1.2 redhat-linux 7.0 $etc_issue =~ /Trustix.*1\.2/i
Trustix 1.5 redhat-linux 7.1 $etc_issue =~ /Trustix.*1\.5/i
Trustix $1 trustix-linux $1 $etc_issue =~ /Trustix.*\s([0-9\.]+)/i
# Trustix clones
Tawie Server Linux $1 trustix-linux $1 $etc_issue =~ /Tawie\s+Server\s+Linux.*([0-9\.]+)/i
TinySofa Linux 1.0 trustix-linux 2.0 $etc_issue =~ /tinysofa.*release\s+1\.0/i
TinySofa Linux Classic 2.0 trustix-linux 2.2 `cat /etc/tinysofa-release 2>/dev/null` =~ /classic.*release\s+2\.0/i
TinySofa Linux Enterprise 2.0 redhat-linux 11.0 `cat /etc/tinysofa-release 2>/dev/null` =~ /enterprise.*release\s+2\.0/i
# Cendio Linux (discontinued?)
Cendio LBS Linux 3.1 redhat-linux 6.1 $etc_issue =~ /Cendio\s*LBS.*\s3\.1/i || `cat /etc/lbs-release 2>/dev/null` =~ /3\.1/
Cendio LBS Linux 3.2 redhat-linux 6.2 $etc_issue =~ /Cendio\s*LBS.*\s3\.2/i || `cat /etc/lbs-release 2>/dev/null` =~ /3\.2/
Cendio LBS Linux 3.3 redhat-linux 6.2 $etc_issue =~ /Cendio\s*LBS.*\s3\.3/i || `cat /etc/lbs-release 2>/dev/null` =~ /3\.3/
Cendio LBS Linux 4.0 redhat-linux 7.1 $etc_issue =~ /Cendio\s*LBS.*\s4\.0/i || `cat /etc/lbs-release 2>/dev/null` =~ /4\.0/
Cendio LBS Linux 4.1 redhat-linux 7.1 $etc_issue =~ /Cendio\s*LBS.*\s4\.1/i || `cat /etc/lbs-release 2>/dev/null` =~ /4\.1/
# Ute Linux (never got beyond 1.0)
Ute Linux 1.0 redhat-linux 6.2 `cat /etc/ute-release 2>/dev/null` =~ /Ute\s+Linux\s+release\s+1\.0/i
# Lanthan Linux (appears to be dead)
Lanthan Linux 1.0 redhat-linux 6.2 $etc_issue =~ /Lanthan\s+Linux\s+release\s+1\.0/i || `cat /etc/lanthan-release 2>/dev/null` =~ /1\.0/
Lanthan Linux 2.0 redhat-linux 7.0 $etc_issue =~ /Lanthan\s+Linux\s+release\s+2\.0/i || `cat /etc/lanthan-release 2>/dev/null` =~ /2\.0/
Lanthan Linux 3.0 redhat-linux 7.1 $etc_issue =~ /Lanthan\s+Linux\s+release\s+3\.0/i || `cat /etc/lanthan-release 2>/dev/null` =~ /3\.0/
# Yellow Dog Linux, for PPC
Yellow Dog Linux 2.0 redhat-linux 7.0 $etc_issue =~ /Yellow\s+Dog\s+Linux\s+release\s+2\.0\s+/i || `cat /etc/yellowdog-release 2>/dev/null` =~ /Yellow\s+Dog\s+Linux\s+release\s+2\.0\s+/i
Yellow Dog Linux 2.1 redhat-linux 7.1 $etc_issue =~ /Yellow\s+Dog\s+Linux\s+release\s+2\.1\s+/i || `cat /etc/yellowdog-release 2>/dev/null` =~ /Yellow\s+Dog\s+Linux\s+release\s+2\.1\s+/i
Yellow Dog Linux 2.2 redhat-linux 7.2 $etc_issue =~ /Yellow\s+Dog\s+Linux\s+release\s+2\.2\s+/i || `cat /etc/yellowdog-release 2>/dev/null` =~ /Yellow\s+Dog\s+Linux\s+release\s+2\.2\s+/i
Yellow Dog Linux 2.3 redhat-linux 8.0 $etc_issue =~ /Yellow\s+Dog\s+Linux\s+release\s+2\.3\s+/i || `cat /etc/yellowdog-release 2>/dev/null` =~ /Yellow\s+Dog\s+Linux\s+release\s+2\.3\s+/i
Yellow Dog Linux 3.0 redhat-linux 9.0 $etc_issue =~ /Yellow\s+Dog\s+Linux\s+release\s+3\.0\s+/i || `cat /etc/yellowdog-release 2>/dev/null` =~ /Yellow\s+Dog\s+Linux\s+release\s+3\.0\s+/i
Yellow Dog Linux 4.0 redhat-linux 11.0 $etc_issue =~ /Yellow\s+Dog\s+Linux\s+release\s+4\.0\s+/i || `cat /etc/yellowdog-release 2>/dev/null` =~ /\s4\.0\s/i
# Latinux (appears to be discontinued?)
Corvus Latinux 8.0 redhat-linux 7.1 `cat /etc/latinux-release 2>/dev/null` =~ /Latinux\s+8\s/i
# Immunix Linux (discontinued)
Immunix Linux $1 redhat-linux $1 $etc_issue =~ /Immunix.*\s([0-9\.]+)/i || `cat /etc/immunix-release 2>/dev/null` =~ /([0-9\.]+)/
# All versions of Gentoo (which don't appear to have version numbers)
Gentoo Linux Any version gentoo-linux * -d "/usr/portage" || `cat /etc/os-release 2>/dev/null` =~ /gentoo/
# Secure Linux (now called Trustix?)
Secure Linux 1.0 redhat-linux 7.2 `cat /etc/securelinux-release 2>/dev/null` =~ /SecureLinux.*1\.0/i
# OpenNA Linux
OpenNA Linux 1.0 redhat-linux 9.0 `cat /etc/openna-release 2>/dev/null` =~ /release\s+1\.0\s/i
OpenNA Linux 2.0 redhat-linux 10.0 `cat /etc/openna-release 2>/dev/null` =~ /release\s+2\.0\s/i
# SoL Linux
SoL Linux 17.00 sol-linux 17.00 -r "/etc/antitachyon-distribution" && `uname -r` =~ /2\.4\./
SoL Linux 18.00 sol-linux 18.00 -r "/etc/antitachyon-distribution" && `uname -r` =~ /2\.6\./
# Coherent Linux
Coherent Technology Linux $1 coherent-linux $1 $etc_issue =~ /coherent\s*technology.*\s([0-9\.]+)/i || `cat /etc/coherent-release 2>/dev/null` =~ /([0-9\.]+)/
# Linux for the playstation
Playstation Linux 1.0 redhat-linux 6.2 $etc_issue =~ /PS2\s+Linux\s+release\s+1.0/i
# StartCom Linux
StartCom Linux $1 redhat-linux 10.0 `cat /etc/startcom-release 2>/dev/null` =~ /([0-9\.]+)/
# Yoper Linux
Yoper Linux 2.0 redhat-linux 10.0 `cat /etc/yoper-release 2>/dev/null` =~ /Yoper\s+Linux\s+2.0/i
Yoper Linux 2.1 redhat-linux 11.0 `cat /etc/yoper-release 2>/dev/null` =~ /Yoper\s+Linux\s+2.1/i
Yoper Linux 2.2 redhat-linux 12.0 `cat /etc/yoper-release 2>/dev/null` =~ /Yoper\s+Linux\s+2.2/i
# Caixa Linux
Caixa Magica 8.1 suse-linux 8.0 `cat /etc/CxM-release 2>/dev/null` =~ /8\.1/ || $etc_issue =~ /Caixa\s+8\.1\s/i
Caixa Magica 10.0 suse-linux 9.2 `cat /etc/CxM-release 2>/dev/null` =~ /10\.0/ || $etc_issue =~ /Caixa\s+10\.0\s/i
# openmamba Linux
openmamba Linux $1 openmamba-linux $1 `cat /etc/openmamba-release 2>/dev/null` =~ /openmamba\s+release\s+(\S+)/i
# All FreeBSD versions
FreeBSD $1 freebsd $1 `freebsd-version 2>/dev/null` =~ /([0-9]+\.[0-9\.]+)/i
FreeBSD $1 freebsd $1 $uname =~ /FreeBSD.*?\s([0-9]+\.[0-9\.]+)/i
# FreeBSD clones
DragonFly BSD 1.0 freebsd 4.8 $uname =~ /DragonFly.*?\s1\.0A/i
DragonFly BSD 1.2 freebsd 4.10 $uname =~ /DragonFly.*?\s1\.2A/i
# All OpenBSD versions
OpenBSD $1 openbsd $1 $uname =~ /OpenBSD.*?\s([0-9\.]+)/i
# All NetBSD versions
NetBSD 1.5 netbsd 1.5 $uname =~ /NetBSD.*1\.5/i
NetBSD 1.6 netbsd 1.6 $uname =~ /NetBSD.*1\.6/i
NetBSD 2.0 netbsd 2.0 $uname =~ /NetBSD.*2\.0/i
NetBSD 3.0 netbsd 3.0 $uname =~ /NetBSD.*3\.0/i
NetBSD 4.0 netbsd 4.0 $uname =~ /NetBSD.*4\.0/i
NetBSD $1 netbsd $1 `uname` =~ /NetBSD/ && `uname -r` =~ /([\d.]+)/
# BSDI (may not be detected properly)
BSDI $1 freebsd $1 $uname =~ /BSDI.*\s([0-9\.]+)/i
# HP/UX
HP/UX $1 hpux $1 $uname =~ /HP-UX.*(1[01]\.[0-9\.]+)/
# Irix
SGI Irix $1 irix $1 $uname =~ /IRIX.*([0-9]+\.[0-9]+)/i
# DEC OSF/1 or Tru64 (discontinued)
DEC/Compaq OSF/1 4.0 osf1 4.0 $uname =~ /OSF1.*4\.0/
DEC/Compaq OSF/1 5.1 osf1 5.1 $uname =~ /OSF1.*V5.1/
# AIX
IBM AIX "$2.$1" aix "$2.$1" $uname =~ /AIX\s+\S+\s+(\d+)\s+(\d+)\s+/i
# SCO's operating systems (no longer developed)
SCO UnixWare 2 unixware 2
SCO UnixWare 7 unixware 7
SCO UnixWare 8 unixware 8
SCO OpenServer 5 openserver 5 $uname =~ /SCO_SV.*\s5\./i
SCO OpenServer 6 openserver 6 $uname =~ /SCO_SV.*\s6\./i
# Apple's OS X versions
macOS Catalina 10.15 macos 19.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.15/i
macOS Mojave 10.14 macos 18.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.14/i
macOS High Sierra 10.13 macos 17.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.13/i
macOS Sierra 10.12 macos 16.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.12/i
OS X 10.11 macos 15.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.11/i
OS X 10.10 macos 14.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.10/i
OS X 10.9 macos 13.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.9/i
OS X 10.8 macos 12.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.8/i
Mac OS X 10.7 macos 11.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.7/i
Mac OS X 10.6 macos 10.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.6/i
Mac OS X 10.5 macos 9.2 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.5/i
Mac OS X 10.4 macos 8.1 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.4/i
Mac OS X 10.3 macos 7.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.3/i
Mac OS X 10.2 macos 6.0 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.2/i
Mac OS X 10.1 macos 1.4 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.1/i
Mac OS X 10.0 macos 1.3 `sw_vers 2>/dev/null` =~ /ProductVersion:\s+10\.0/i
# Darwin, the open source version of OS X
Darwin $1 macos $1 $uname =~ /Darwin.*\s([0-9\.]+)/
# OpenDarwin
OpenDarwin 6.6.1 macos 6.0
OpenDarwin 6.6.2 macos 6.0
OpenDarwin 7.2.1 macos 7.0
# Sun's desktop Linux and Solaris systems
Sun Java Desktop System 1.0 (Linux) suse-linux 9.1 `cat /etc/SuSE-release 2>/dev/null` =~ /Java Desktop System.*\nVERSION = 1\.0/i
Sun Java Desktop System 2.0 (Linux) suse-linux 9.2 `cat /etc/SuSE-release 2>/dev/null` =~ /Java Desktop System.*\nVERSION = 2\.0/i
Sun Java Desktop System 3.0 (Linux) suse-linux 9.2 `cat /etc/SuSE-release 2>/dev/null` =~ /Java Desktop System.*\nVERSION = 3\.0/i
Sun Java Desktop System 2.0 (Solaris) solaris 9 $uname =~ /SunOS.*\s5\.9\s/i && `cat /etc/sun-release 2>/dev/null` =~ /Sun\s+Java\s+Desktop/
# Synology NAS, Syno Linux - DSM Version 6.x+
Synology DSM $1 syno-linux $1 `cat /etc.defaults/VERSION 2>/dev/null` =~ /productversion="([0-9]+\.[0-9]+(\.[0-9]+)?)/
# All other Linux variants, identified by kernel version
Generic Linux $1 generic-linux $1 `uname -r` =~ /^([0-9]+\.[0-9+])\./
# Webmin running under Windows using compatibility layer
Cygwin 1.1 cygwin 1.1
Cygwin 1.3 cygwin 1.3