I shall remember tar flags now
@FloatingGhost nowadays s/ze/a/ for extracting though, but do prepend the hyphen-minus for portability
@FloatingGhost and -czf has ridiculously bad compression, much better to -cf - | gzip -n9 or so. Ideally also set the blocksiae to 512 as you aren’t dealing with real tapes, but I can only remember that syntax for paxcpio