This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
then the Windows command prompt will expand the wildcard character * into all the filenames of the files in the current folder. So a command like that is the same as calling your program with the whole list of filenames: