Quoting blinkdog (blinkdog@???):

> +1, I also found that information very useful. In particular, that
> bzip2 should be deprecated and that xz is both better and faster than
> gzip at some setting were very useful to me.

FWIW, now recorded in the Linuxmafia.com Knowledgebase as 'Compression'
on http://linuxmafia.com/faq/Apps/ .

> Ahhh yes, many others like .sit (Stuff-It, popular with Mac users) and
> .lha/.lzh (LHarc, popular with Amiga users), oh wait, you said you
> were trying to forget.

Believe it or not, the same Knowledgebase page has an (aging) entry
about StuffIt access on Linux.