I want to compress a file using Zlib (Best compression) i have googled a bit around and i have found a way to compress, but it isn't at the best compression level, I'd love to get some help
OS Details: Parrot Security OS Release 3.11 64-Bit Kernel Linux 4.14.0-parrot13-amd64 x86_64 MATE 1.18.0
gzip --best
will do that.