*[http://www.symbos.de SymbOS homepage]
*[httpshttp://www.symbos.orgde/download/2017083020250131-V30V40/symbosSymbOS-40-manualManual.pdf SymbOS installation and user manual (PDF)]
*[http://groups.yahoo.com/group/symbos8bit SymbOS mailing list (new)]
*[http://en.wikipedia.org/wiki/SymbOS english Wikipedia article]