Depending on the setting of the show/hide hidden files flag, hidden files (those beginning with '.') are either shown or not.
The functions are:
If the file is a dll containing a compiled Smalltalk class library, all of its containing classed are loaded after any prerequisite packages (as specified in the package's ProjectDefinition class) have been loaded.
This function is normally not needed, since the fileBrowser checks for modifications of the current directory in regular intervals, updating the list automatically. However, a manual update may be needed in certain situations (for example, if the time/dates are out of sync between NFS hosts) or if you do not want to wait for the next automatic update.