FC ==> FreeCommander

freeCommander is an easy-to-use alternative to the standard windows file manager. The program helps you with daily work in Windows. Here you can find all the necessary functions to manage your data stock. You can take freeCommander anywhere - just copy the installation directory on a CD, USB-Stick or even a floppy disk - and you can even work with this program on a foreign computer.

Main features in freeCommander:

• Dual-panel technology - horizontal and vertical
• Optional tree view for each panel
• Built in file viewer to view files in hex, binary, text or image format
• File viewer inside archives too
• Built in archive handling: ZIP (read, write), CAB (read, write), RAR (read)
• Nested archive handling
• Easy access to system folders, control panel, desktop and start menu
• Copy, move, delete, rename files and folders
• Wipe files
• Create and verify MD5 checksums
• File splitting
• File properties and context menu
• Calculation of folder size
• Folder comparison / synchronization
• Modification of file date and attributes
• Folder / program favorites
• File searching (inside archive too)
• File filters for display
• DOS command line
• Multiple language support

For More Details click here.
I just downloaded it and it's really koooool..
Wanna Download :) .
(Excerpts drawn from: www.freecommander.com)