1. A system for a user to input commands to a computer system, comprising: a pointing device to manipulate a cursor on a computer screen, software means to track the movement of the cursor, wherein the software means displays a least one trigger window after a time period in which the cursor pauses on a position on the computer screen, the user moving the cursor to a trigger window and then pausing on said trigger window, said trigger window designating a pre-selected user input, the software means returning the cursor to the position on the computer screen when the software means displays said at least one trigger window, and the software means simulating a user input at the position of the cursor.