Convert a specific installation file to a Slackware installation file (.tgz extension)

Convert different installation packages to other formats.
More information: <https://manned.org/alien>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

sudo alien --to-tgz {{path/to/file}}

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