Sorry for the late reply, I had to go away. > > > > > > > > > It's where tracker extracts files. > > > > > > Google for "centos7 tracker disable" > > > > > > I suspect the lu*.tmp directories are from when tracker uses LO to > > > extract and index documents. > > > > > > If you don't use, or want to use, tracker, then disable tracker. > > > > > > P. > > > > Hmm. was unaware of tracker-etc. what are these indexes used for? > > I can't think of anything I do on the system that would need to know > > all bout some arbitrary file somewhere on the filesysystem, so why > > would this be useful? > > > > thanks in advance! > > > > Fred > > A more interesting question would be: Where would one go to completely > STOP these files from being created / cached / logged / stored etc? > Well, the answer I gave above is relevant: 'Google for "centos7 tracker disable"' Primarily you install the 'tracker-preferences' package via yum and use that to configure what tracker does. But in all honesty I've never found tracker to be intrusive after the initial scan. P.