System and method for dynamically generating a selectable search extension

A system and related techniques accept user-inputted search terms, for example to perform a search for files or other data or objects. Corresponding matches to those terms may be presented to the user in a "word-wheel"-type breakout list generated on the fly for groupings of hits by attributes or other criteria, as the system searches through the file system at the current level or point in the file system hierarchy. Search results may be continuously or dynamically updated as the user, for example, enters more characters or other data.