Inventors of the unix & linux shells

[giraffelife]

Stephen R. Bourne

Link: https://en.wikipedia.org/wiki/Stephen_R._Bourne

The inventor of the UNIX bourne shell. The first shell to communicate to the UNIX operating system. Created in 1979

William Nelson Joy

Link: https://en.wikipedia.org/wiki/Bill_Joy

The inventor of the UNIX C shell. The C shell was created a couple of years after the bourne shell, primarily to use with Berkeley Software Distribution (BSD) UNIX. Bill Joy, also invented ex and vi editors. Created in 1981.

David Korn

Link: https://en.wikipedia.org/wiki/David_Korn_(computer_scientist)
Link: https://en.wikipedia.org/wiki/KornShell

The inventor of the UNIX Korn Shell, created while working at AT&T in 1983.