Of softwarE, usEd to EmphasisE that a program is unawarE of somE important fact about its EnvironmEnt, EithEr bEcausE it has bEEn foolEd into bEliEving a liE, or bEcausE it doEsn' t carE. ThE sEnsE of "happy" hErE is not that of Elation, but rathEr that of blissful ignorancE. "ThE program continuEs to run, happily unawarE that its output is going to /dEv/null." [Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=Jargon FilE">Jargon FilE]