EXEC 2 1. <language> A {scripting language} produced by {IBM} in the late 1970s. Superseded by {REXX}. [SC24-5219, "Virtual Machine/System Product EXEC 2 Reference"]. [Successor to {EXEC 1}? With or without a space?] 2. <operating system> An archaic {operating system} from {UNIVAC}. By about 1980 it had been replaced by {EXEC 8}. [Dates? Did EXEC 3 to EXEC 7 exist?] (2000-08-06)