A list of shortcuts can be found in the Lab by selecting the information on shortcuts in the "Help" menu or by clicking Crtl+Shift+L. Here are the main shortcuts:

[Alt+-] Show System Menu
[Alt+Shift+Q,Q] Show View
[Crtl+3] Quick Access
[Crtl+F6] Next Editor
[Crtl+F7] Next View
[Crtl+F8] Next Perspective
[Crtl+F10] Show View Menu
[Crtl+M] Maximize Active Editor or View
[Crtl+S] Save
[Crtl+Shift+F6] Previous Editor
[Crtl+Shift+F7] Previous View
[Crtl+Shift+F8] Previous Perspective
[Crtl+Shift+E] Switch to Editor
[Crtl+Shift+L] Key Assist
[Crtl+Shift+S] Save All
[Crtl+Shift+W] Close All
[Crtl+W] Close
[F12]

Activate Editor