Krusader is an advanced orthodox, twin-panel file manager for KDE and other desktops in the *nix world, similar to GNOME Commander or Midnight Commander (Linux), or Total Commander (Windows). It supports extensive archive handling, mounted filesystem support, FTP, advanced search, viewer/editor, directory synchronisation, file content comparisons, batch renaming, etc. It supports the following archive formats: tar, ZIP, bzip2, gzip, RAR, ace, ARJ, LHA, 7z and RPM and can handle other KIO Slaves such as smb or fish. Krusader is published under GNU General Public License.
In a terminal, run the following commands (this long command ending in second line):
sudo pacman -S arj unarj cabextract unrar krename kdesdk-kompare p7zip wxgtk2.8 rpmextract cpio unace cfv kdenetwork-kget mlocate --needed --noconfirm && yaourt -S md5deep lha rar --noconfirm
sudo pacman -S krusader
Official forum topic: