dockerfile.run

dhelp

online help system

Debian

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

Ubuntu

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

Kali Linux

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

Raspbian

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

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