I-R ithi ‘GNU S’, ulimi olutholakala ngokukhululekile nendawo yekhompyutha yezibalo kanye nemifanekiso ehlinzeka ngezinhlobonhlobo zamasu ezibalo nezithombe: ukumodela okuqondile nokungaqondile, ukuhlolwa kwezibalo, ukuhlaziya uchungechunge lwesikhathi, ukuhlukaniswa, ukuhlanganisa, njll.