Compress a file using the best compression

Compress or decompress .lz4 files.
More information: <https://github.com/lz4/lz4>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

lz4 -9 {{file}}

click the source code to copy install lz4 on any operating system with command-not-found.com