1.Install
1) sudo apt-get install krusader
2) Suggested packages:
ncompress zoo p7zip-full kdebase md5deep cfv kedit okteta konsole kmail kdebase-kio-plugins nas krb5-doc krb5-user libqt3-mt-mysql libqt3-mt-odbc libqt3-mt-psql libqt4-dev libraw1394-doc gxine xine-ui libxine1-doc libxine-doc libxine1-ffmpeg phonon-backend-vlc phonon-backend-mplayer alien pike xxdiff-scripts
3) if don't install kconsole do followings:
cp ~/.kde/share/config/krusaderrc ~/.kde/share/config/krusaderrc.bak
vi ~/.kde/share/config/krusaderrc
replece Terminal= 'kconsole ' line to Terminal= 'gnome-terminal ' --working-directory %d
2.Doc
Krusader handbook. see: http://sourceforge.net/projects/krusader/files/