In your workspace, the following file contains information about your workplace:
.metadata / .plugins / org.eclipse.ui.workbench / workbench.xml It can be deleted (or edited, but it takes some rotation around, I suppose) without breaking your workspace, the file is restored by Eclipse. When you delete all settings related to the workbench, they are lost (i.e. all editors are closed), but your projects of this workspace remain untouched.
from which you can get a list of files.
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