A cursor is the position indicator on a computer display screen where a user can enter text . The user uses the pointing cursor and special input buttons to establish where the position indicator cursor will be or to select a particular program to run or file to view. Typically, the pointing cursor is an arrow and the text entry position cursor is a blinking underscore or vertical bar.
Most operating systems allow the user to choose another appearance for the cursor.
In the Windows operating system, the pointing cursor turns into a pointing hand when it is pointed to a specific object and into an hourglass while the system is starting a requested program.