licensing

Put copyright and license notices at the head of source code files

Debian Debian
RUN apt-get update && \ apt-get install -y licenseutils
Ubuntu
RUN apt-get update && \ apt-get install -y licenseutils
image/svg+xml Kali Linux
RUN apt-get update && \ apt-get install -y licenseutils
Raspbian
RUN apt-get update && \ apt-get install -y licenseutils
click the source code to copy install licensing on any operating system with command-not-found.com