Editing Gary Kildall (section)

=== Graphics Environment Manager (GEM) ===
{{Main|GEM (desktop environment)}}
After seeing a demonstration of the [[Apple Lisa]], Kildall oversaw the creation of DRI's own [[graphical user interface]], called [[Graphics Environment Manager|GEM]], which was introduced on February 28, 1985.<ref>http://bitsavers.org/pdf/digitalResearch/concurrent/1090-1411-002_Concurrent_DOS_Brochure_1988.pdf {{Bare URL PDF|date=August 2024}}</ref> [[Novell]] acquired DRI in 1991 in a deal that netted millions for Kildall.<ref name="Hamm_2004"/>

<!-- John Rowley became COO and president of the company in late 1981. -->Kildall resigned as CEO of Digital Research on 28 June 1985<!-- taken over by John Rowley -->, but remained chairman of the board.<ref name="Burton_1985_Short"/>