daemon

rpicd is the daemon part of RailPIC. It provides a gateway between model rail control programs - as Rocrail - and rpic, the uPIC-based solution to manage the signals in the track.

Keeps your hard drive disk active (from going into standby mode) by opening and writing to a file every once in a while. It runs in the background so you don't have to worry about it and it's quite lightweight.

Precached - A Linux process monitor and pre-caching daemon