In Autocad, what is the command that is used to rotate the grid at 45 degrees?

To rotate the snap grid

Enter snapang on the command line.

Enter a value for the new angle (45). (The default value is0.)

This action  will rotate the snap grid by45 degrees.

Note: The angle that you specify is relative to the current user coordinate system (UCS).

To rotate the grid at 45 degrees, command UCS is used.