dockerfile.run

ksh93

Real, AT&T version of the Korn shell

Debian

RUN apt-get update && \
    apt-get install -y ksh

Ubuntu

RUN apt-get update && \
    apt-get install -y ksh

Kali Linux

RUN apt-get update && \
    apt-get install -y ksh

CentOS

RUN yum install -y ksh

Fedora

RUN dnf install -y ksh

Raspbian

RUN apt-get update && \
    apt-get install -y ksh

click the source code to copy install ksh93 on any operating system with command-not-found.com