How do I open a new Terminal window for same directory as the current window
Solution 1:
To accomplish this within a new window, go to Preferences within Terminal.app.
Within the General tab, you can adjust the behavior (you likely want to select Same Working Directory) for both new windows and new tabs.
Solution 2:
If you hit ⌘T in the Terminal, it will open another tab, which will be in the same directory as before :-) You can easily switch between the tabs using keyboard shortcuts too - ⌘-Shift-[ and ⌘-Shift-]
Enjoy!