The best way, for me, was fixing something that didn't work. The "problem" now is, *nix has gotten pretty good/stable/justworks(tm). So the other, more time c

The best way, for me, was fixing something that didn't work. The "problem" now is, *nix has gotten pretty good/stable/justworks(tm). So the other, more time consuming way, is probably contributing to different areas. That should force you understand all the different systems better.