OS/2/Linux

[bbond007]

This was Slashdotted about an hour ago:

http://searchdatacenter.techtarget.com/news/article/0,289142,sid80_gci1508584,00.html

Granted, I'm not much involved in the IBM space, but in my 15 or so years of experience, I've only ever seen one OS/2 system in the wild. Our AS/400 administrators use Windows and TN5250, and like many companies that still use IBM mainframes, we lease our software and hardware from a third party.

well this is interesting

The Workplace Shell (WPS) is a object-oriented desktop shell produced by IBM's Boca Raton development lab for OS/2 2.0 using GUI technology licensed from Commodore Amiga.[1]

http://en.wikipedia.org/wiki/Workplace_Shell