The one characteristic of command economy is that the individual pursuit of wealth is replaced by a concerted effort from all economic channels to improve society as a whole.
Well the exact translation of Islam is submission. So the belief in the existence of the Islamic god Allah, as well as angels. Belief that the Quran is legitamite. Then there's other stuuf like the Gospel (showed to Jesus), the Torah (Moses), then finally Psalms (David). Bascially saying like submit yourself to Allah and what not.