In terms of a list, you can try this (though I can't swear that it's completely up to date): http://ss64.com/osx/ http://ss64.com/osx/ Also, unless you install

In terms of a list, you can try this (though I can't swear that it's completely up to date): http://ss64.com/osx/ http://ss64.com/osx/ Also, unless you install the developer tools (they are freely available on your install disk or you can download them), you don't have a compiler and other key development tools. But even before install the developer extras, you have a fairly full set of basic *nix tools and languages (Perl, Python and Ruby) to script in. Note that if you're used to the GNU version of the coreutils, find, etc., you may get some surprises in terms of flags. OS X uses BSD versions.