I've played with each of Linux, OSX and BSDs. The commands and syntax are similar enough, it would be a trifle, indeed a matter of pride for any *nix sysadmin t

I've played with each of Linux, OSX and BSDs. The commands and syntax are similar enough, it would be a trifle, indeed a matter of pride for any *nix sysadmin to learn another Unix! And that much should be expected, since they are both in the same Unix family tree (even if Linux was "grafted in").