The Xerox Star had a Copy key.[1] IBM used Ctrl+Insert in the 1987 CUA standard.[2] [1] http://www.digibarn.com/friends/curbow/star/keyboard/index.html http://

The Xerox Star had a Copy key.[1] IBM used Ctrl+Insert in the 1987 CUA standard.[2] [1] http://www.digibarn.com/friends/curbow/star/keyboard/index.html http://www.digibarn.com/friends/curbow/star/keyboard/index.h... [2] https://en.wikipedia.org/wiki/IBM_Common_User_Access https://en.wikipedia.org/wiki/IBM_Common_User_Access