Shortcut to switch between Panel.

[Mohsin]

Is there any keyboard shortcut to switch between panels? Likewise, any shortcut to switch between Tabs.
Actually, I am a command line user and I hate to use mouse. Any way I can get rid of mouse.
Thanks 

[Tom]

Hard to find

Tab key to switch from/to left/right panel.
Ctrl-Tab to switch between Tabs.

[Mohsin]

Thank You very much.