Source: http://web.archive.org/web/20120728095026/http://www.mit.edu:8001/activities/os2/faq/os2faq-toc.html
Source: http://cd.textfiles.com/ems/emspro17/disk3/OS2UTIL/FAQ21E.ZIP
Source: https://public.dhe.ibm.com/ps/products/os2/info/w30faq/