BD file extension - Solaris Browser data
What is bd file? How to open bd files?
File type specification:
The bd file extension was also used by Solaris Browser and used for files that contained browser data.
A browser data file created by the compiler when you use the SourceBrowser option during compilation.
These bd files with index files are usually found in a .SB directory; created in the current working directory from which the compiler is called.