There is a difference between not knowing the key bindings and there not being any. See link below. That's a non comprehensive list of just system shortcuts and

There is a difference between not knowing the key bindings and there not being any. See link below. That's a non comprehensive list of just system shortcuts and doesn't even attempt to enumerate application specific ones. https://support.microsoft.com/en-us/kb/126449 https://support.microsoft.com/en-us/kb/126449