What version of Linux? What architecture? Without knowing this, its hard to help; anyways, here are some things that might help:\n\nTry:\napt-get install lsof\nor\nrpm -i lsof \nor, if neither of those work, go here:\nhttp://freshmeat.net/projects/lsof/\n\nat the bottom there is a list of FTP sites, you should be able to get the install package or source from there.