= P =
[Unix] A daemon that is run
periodically (typically once a week) to seek out and erase
core files, truncate administrative logfiles, nuke
lost+found directories, and otherwise clean up the
cruft that tends to pile up in the corners of a file system.
See also GFR, reaper, skulker.
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.