This package provides parallel versions of the openssh tools. Included
in the distribution: 

 - Parallel ssh (pssh) 
 - Parallel scp (pscp) 
 - Parallel rsync (prsync) 
 - Parallel nuke (pnuke) 
 - Parallel slurp (pslurp) 

What are these tools good for? Mainly for controlling large collections
of nodes in the wide-area.

WWW: http://www.theether.org/pssh/