CHOICE Command

Purpose:  Waiting for the user to choose one of the options.

Syntax:   CHOICE [/C[:]options] [/N] [/S] [/T[:]c,nn] [comment] [/?]

Parameters:

/C[:]options   - defines the list of options. By default: Y, N;
/N             - doesn't display the list of options;
/S             - case sensitive search;
/T[:]c,nn      - considers the C option chosen after NN seconds.
comment        - any users comment.

     The system variable ERRORLEVEL contains the number of option chosen by
the user.