File Systems
11.23. File-System Structure. Allocation Methods. Free-Space Management Implementation. Efficiency and Performance. Recovery. Applied Operating System Concepts …Read more

Stick Software (Mac OS X Shareware) : Software Products …
basics of using the Macintosh in Mac OS X, including using the mouse, menus, and windows, and through use of specialized file-recovery tools, so use this option carefully! …Read more

Axway SecureTransport
SecureTransport™ is a leading Managed File Transfer solution that simplifies and and monitors secure file transfer activity across multiple file transfer sites or …Read more

Portable File System Investigator
separate instance of the file system. A file system has some control the amount of free space, amount. of used space and the file system version for. each …Read more

Hard drives dumped; information isn’t
secure, evidence-free hard drive. in a matter of minutes.” Macintosh OS X users can. download a free copy of virtual file. shredder” that completely shreds. the file. For $15 you …Read more

mac deleted file recovery?

is there any other way in which i can recover my accidentally deleted files from the trash (mac osx)for free??? if yes. please tell meeee!

If you haven’t emptied Trash yet, open it and move the file.
Look here at Data Recovery. One of them is a try before you buy program.
http://www.pure-mac.com/diag.html