Open Finder from the Terminal
You can immediately access the present working directory in the Finder by typing the following command in the Terminal:
If you have just launched Terminal, typing this in the command line will immediately open your home directory, but you can be anywhere and it works the same. You can also specify directories to open from the terminal into the Finder, like so:
This opens your utilities app folder. Try it with just about anything.
Note: Oops looks like David covered this a month ago: Open Current Folder in Finder from the Terminal, Thanks for pointing this out Carl!