Program database

PDB stands for Portable DataBase, Microsoft's debug file format.

A compound file is a small file system packaged into a single file.

A file system subdivides a disk into sectors of fixed size, and groups the sectors into files of variable size. The sectors representing a file can be located anywhere on the disk and don't need to be contiguous—the file/sector assignments are defined in a file directory.

A compound file subdivides a raw disk file into pages of fixed size, and groups the pages into streams of variable size. The pages representing a file can be located anywhere in the raw disk file and don't need to be contiguous—the stream/page assignments are defined in a stream directory.

To Be Continued ...