>How do you see hidden files in Finder?
Command-Shift-Period
>As a default?*
defaults write com.apple.Finder AppleShowAllFiles true; killall Finder
>How do you copy-paste file or folder paths between terminal and Finder?
Drag and drop the icon into a Terminal window.
And regarding gestures or shortcuts, if you put in the same effort that you did for Windows, you can find everything you need on the Mac.