OS’s:
Unix-like: FreeBSD, OpenBSD, NetBSD, minix, Plan9, Solaris, System V, BeOS
Linux: Slackware, Debian, Red Hat, Mandrake, Mandriva, Gentoo, Ubuntu, CentOS, SuSE
Windows: since 1.01 to Present
MacOSX: since Snow Leopard to Present

Spoken Languages: Bulgarian (native), Russian, English, Greek, Hungarian

Programing Languages: Assembly, C, C++, JScript, JavaScript, HTML, XML, CSS, PHP