ksh93
Real, AT&T version of the Korn shell
RUN apt-get update && \
apt-get install -y ksh
RUN apt-get update && \
apt-get install -y ksh
RUN apt-get update && \
apt-get install -y ksh
RUN yum install -y ksh
RUN dnf install -y ksh
RUN apt-get update && \
apt-get install -y ksh