After Effects Tutorial: Useful Keyboard Shortcuts HD

Sorry if the tutorial seemed too long for a simple shortcuts tutorial. But basically here are the ones that I think are the most useful: (Ctrl and Cmd are interchangable) Ctrl A Select All Enter Rename Layer Ctrl I Import Footage Space Bar Hand Grabber Ctrl N New Compostion Ctrl D Duplicate Ctrl Shift D Split B begin work area N end work area 0 (zero) start RAM preview F4 toggle switches [ begin footage ] end footage alt [ trim beginning of footage alt ] trim end of footage T opacity P position L audio levels LL waveform AA material options (3D) F mask feathering M mask path MM all mask properties R rotation S scale E effects U show all keyframes and expressions F9 easyease keyframe if I missed anything, please feel free to add it in the comments and I will add it to the description :]