Ok, its part of procmail apparently. On Tue, Oct 2, 2012 at 4:29 PM, Britton Kerin <britton.kerin@gmail.com> wrote: > I'm trying to determine if the 'lockfile' program is still available > or has been obsoleted for some reason. > > I'm not looking for lockfile_create or friends, nor flock, but the > program described here: > > http://linux.about.com/library/cmd/blcmdl1_lockfile.htm > > Thanks, > Britton