Krusader is a simple, easy, powerful, twin-panel (commander-style) file manager, similar to midnight commander (c) or total commander (c).
it provides all the file management features you could possibly want.
plus: extensive archive handling, mounted filesystem support, ftp, advanced search module, viewer/editor, directory synchronisation, file content comparisons, powerful batch renaming and much more.
it supports archive formats: ace, arj, bzip2, deb, iso, lha, rar, rpm, tar, zip and 7-zip.
it handles kioslaves such as smb:// or fish://.
almost completely customizable, krusader is very user friendly, fast and looks great on your desktop.