Mac machines have gained popularity in recent times due the advanced features being embedded by Apple, with every new release, the latest being Mac OS X Snow Leopard. Mac machines make use of a different type of file system called the Hierarchical File System (HFS). There are two types of hierarchical file system, namely HFS and HFS+.
Macintosh, the first hard disk designed by Apple was supported by HFS file system, which replaced the previously existent MFS file system.
Later, Apple introduced HFS+, an improved version of HFS, which supported much larger files (block addresses are 32-bit length instead of 16-bit) and which used Unicode (instead of Mac OS Roman or any of several other character sets) for naming the items i.e. files and folders.
Loss of data from HFS or HFS+ volumes of a Mac machine is similar to the data loss from a Windows machine. It is only the recovery software, which is different in both the cases. REMO Recover (Mac) Pro Edition software, is a software specially designed to recover Mac files. The software lets you recover Mac files from lost volumes, and also lets you perform an advanced File Search, which is of great help, when the damage is extensive.