What Pipe Viewer is a terminal-based tool for monitoring the progress of data through a pipeline. Install(for i386) wget http://pipeviewer.googlecode.com/files/pv-1.2.0-1.i386.rpm sudo rpm -i pv-1.2.0-1.i386.rpm other version : http://en.sourceforge.jp/projects/freshmeat_pv/releases/ Check install % pv --version pv 1.2.0 - Copyright(C) 2010 Andrew Wood <andrew.wood@ivarch.com> Web site: http://www