Maya beginner- Shortcut Keys

q- deselect/hide manipulator
w- translate object
e- rotate object
r- scale object
t- current node manipulator

alt+LMB- rotate viewport
alt+MMB-move viewport
alt+RMB/scroll wheel- Zoom viewport

a- frame into all objects
f- frame into selected object
g- redo last action

d- customize object's orgin
hold x+MMB- snaps object to viewport's grid
hold c+MMB- snaps object to curve or object's edge
hold v+MMB- snaps object to object's point
hold d+x- snaps object's orgin to viewport's grid
hold d+c- snaps object's orgin to curve or an object's edge
hold d+v- snaps object's orgin to object's point

1-original poly on object
2-cage smooth on object
3-smooth on object

p- parent object to another
shift+p- unparent object
alt+g- group objects
shift+d- duplicate

(add more later.. to lazy)