What is "queeg"

"Queeg" is the fifth episode of science fiction sitcom Red Dwarf series two and the eleventh in the series run. It premiered on the British television channel BBC2 on 4 October 1988. Written by Rob Grant and Doug Naylor, and directed by Ed Bye, the plot features a backup computer named Queeg that replaces Holly. The episode was remastered, along with the rest of the first three series, in 1998.