MirBSD Korn Shell
The MirBSD Korn Shell (mksh) is a successor of pdksh. It's an actively developed software tool that is used to access the Public Domain Korn Shell.
MirOS Project
mksh
The MirBSD Korn Shell is a software application designed as a versatile and robust Unix shell featuring a programming language based on the Korn shell. It supports interactive and scripting use and includes features such as enhanced job control, input and output redirection, and command-line editing.