Bugs: bugs@caldera.com
Security: http://www.calderasystems.com/support/security/
Support: support@caldera.com
Bugs: bugs@debian.org
Security: http://www.debian.org/security/
Support: http://www.linuxcare.com/
Support: 1-888-546-4878
Support: support@netmax.com
Bugs: http://developer.redhat.com/bugzilla/
Security: http://www.redhat.com/support/
Support: support@redhat.com
ftp://ftp.slackware.com/pub/mirrors/slackware/
Bugs: bugs@suse.com
Security: http://www.suse.de/de/support/security/index.html
Support: support@suse.com
Bugs: jht@turbolinux.com
Security: jht@turbolinux.com
Support: support@turbolinux.com
http://www.turbolinux.com/support/
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