Change scale (zoom factor) of current or selected viewports.

Usage:

This command may be run in either paperspace or in floating modelspace. If run in paperspace, select one or more viewports before or after running the VPS command. The command will display a prompt in the form of "Current scale 1:100; enter new scale?". Enter the scale in decimal form. For example, if you want to change the viewport to 1:80 scale, type "1/80" at the prompt.

If you select multiple viewports, the command will cycle through viewports, changing one at a time. The current viewport will be highlighted.