Autodesk 3ds Max/Shortcuts

Add caption

Hotkey	Description
A	Toggle Angle Snap on/off.
B	Change active viewport to "Bottom" view.
C	Change active viewport to "Camera" view (there must be at least 1 camera in your scene for this command to work). If you have more than 1 camera in your scene, this will toggle between cameras.
D	Disable view (prevents view from updating; used when editing very large scenes to improve performance)
E	Select and rotate.
F	Change active viewport to "Front" view.
G	Toggle grid on/off.
H	Select by name.
I	Center active viewport to the mouse's position.
J	Show hide selection brackets
L	Change active viewport to "Left" view.
M	Open the Material Editor.
N	Toggle Auto Key on/off.
O	Adaptive degradation, shows objects as boxes, speed up viewport drawing in complex scenes
P	Change active viewport to "Perspective" view.
R	Select and Scale.
S	Toggle Snap on/off.
T	Change active viewport to "Top" view.
U	Change active viewport to "User" view.
W	Select and move.
X	Hide/unhide gizmo.
Z	Zoom Extents All Selected.
6	Particle View (v6 & 7 only).
7	Polygon Count (displayed at upper left of viewport for selected object).
8	Environment panel.
0	Render to texture
Space	Lock selection
Up arrow	Walkthrough mode
MMB	Pan view
Ctrl+MMB	2x Pan speed
Ctrl+A	Select all
Ctrl+I	Invert selection
Ctrl+V	Clone selected Object
Ctrl+C	(this is not copy!)(in perspective viewport) create target camera using the curent view.
Ctrl+X	eXpert Mode
Ctrl+Z	Undo
Ctrl+Y	Redo
Ctrl+LMB(click)	Add clicked object to current selection
Ctrl+LMB(hold)	Marquee, Add multiple selected to current selection
Alt+LMB(click)	Remove clicked object from current selection
Alt+LMB(hold)	Marquee, Remove multiple selected from current selection
Shift+LMB(click)	Clone selected/clicked object
Shift+LMB(click+drag)	(with move selected) Clone and move selected/cliced object
Alt+MMB	Rotate View
Alt+X	Xray view mode
Alt+Q	Isolates the selected objects
Alt+w	Maximize viewport toggle

Read More