| Item | Tooltip | Description |
|---|---|---|
 | Add Content Root | Add a new root to the content roots. Click the button and navigate to the desired folder in the dialog that opens. |
 | Remove Content Entry | Delete selected content root from the project. |
 | Excluded |
Mark a folder as an excluded root.
Excluded roots are not visible to RubyMine. Usually, one would like to exclude temporary build folders, generated output, logs, and other project output. Excluding the unnecessary paths is a good way to significantly improve performance. This command is duplicated on the context menu of a content root. |
 | Test Sources | Mark a folder as a test root. Such folder displays in the list of test roots.
The files under the test roots are interpreted according to their type. RubyMine can parse, inspect and compile the contents of these roots. This command is duplicated on the context menu of a content root. |
| Unmark | Remove marking of a content root and denote it with a regular directory
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