Only output the first 5 entries of the result

Generate random permutations.
More information: <https://www.gnu.org/software/coreutils/shuf>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

shuf --head-count={{5}} {{filename}}

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