The Command panel comprises six user-interface panels that give you access to most of the modeling features of 3ds Max, as well as some animation features, display choices, and miscellaneous utilities. Only one panel is visible at a time. To display a different panel, you click its tab at the top of the Command panel.
To open the Command panel
These are the panels:
Contains controls for creating objects: geometry, cameras, lights, and so on.
Contains controls for applying modifiers to objects and editing editable objects such as meshes and patches.
Contains controls for managing links in a hierarchy, joints, and inverse kinematics.
Contains controls for animation controllers and trajectories.
Contains controls that let you hide and unhide objects, along with other display options
Contains miscellaneous utility programs.
By default, the Command panel appears at the right of the 3ds Max window. You can "dock" it along other edges of 3ds Max window, or make it a floating panel. See Customizing 3ds Max.