How do I open a project in RubyMine terminal?
If you right-click any file (for example, in the Project tool window or any open tab) and select Open in Terminal, this will run the terminal in the directory of that file.
How do I launch RubyMine?
The platform-specific RubyMine launcher. On macOS and Linux, it is recommended to use the command-line launcher created during the RubyMine installation, or create one manually by selecting Tools | Create Command-line Launcher on the RubyMine main menu.