OS Logos II
extension of OS Logos by cjr http://graffletopia.com/stencils/209, with many linux distributions represented. I think every stencil is in vector format. Let me know if you need a missing logo. Includes: Sun, HP, IBM, VMWare, Apple, Oracle, OS X , Windows, Linux, Xen, Red Hat, Fedora, CentOS, Debian, Ubuntu, Mint, SUSE, Mageia, Arch Linux, Slackware, Mandriva, Gentoo, FreeBSD, OpenBSD, NetBSD, DragonFly BSD, and Darwin.