Run applications
You can run applications right from RubyMine. Before you start, make sure to configure a Ruby interpreter for your project.
Quick way
Run from the editor
If you are not going to pass any parameters to your program, and your program does not require any specific actions to be performed before start, you can run it right from the editor.
To run a script, open it in the editor or select it in the Project tool window, and then select Run <script file name> from the context menu.
To run a test, click the gutter icon next to it or press Control+Shift+F10. The gutter icon changes depending on the state of your test, see Performing tests.
Run the current file
On top of running applications from the editor, you can run single files using a dedicated option on the toolbar. The run and debug buttons are active and allow you to instantly run the currently opened file.
In the editor, open the file that you want to run.
Click
next to the Current File option on the toolbar. 
You can access other runners from the submenu as well: expand the list and click the right arrow next to Current File. From the menu that opens, you can debug the code, run it with coverage, or open the run configuration to specify more options. 
Customizable way
If you are going to pass parameters to your program, add VM options (for example, to allow remote debugging), or otherwise customize the startup of your program, use a run/debug configuration.
On the main toolbar, select the run/debug configuration you are going to use.
Click
or press Shift+F10.
When the application starts, you can view its output and interact with it in the Run tool window. Every run/debug configuration creates a separate tab when you run it.
To learn more about tool windows and how to manage them, see the Tool windows topic.
Re-run applications
On the toolbar of the Run tool window, click
or press Shift+F10
Stop and pause applications
When you stop a program, its process is interrupted and exits immediately. When you pause a program, it continues running in the background, but its output is suspended.
Stop a program
In the Run tool window, click
on the toolbar. Alternatively, press Control+F2 and select the process to stop.
Pause a program
Right-click in the Run tool window and select Pause Output from the context menu. Use the same toggle to resume the program.
Show running processes
You can view the list of all active run or debug sessions and navigate between them.
From the main menu, select Run | Show Running List. In the top-right corner of the editor, RubyMine shows a list with all active applications.