In Islam, sin is a sin. There is no minor and major sins. Only Allah (or God and same God in Christianity and Judaism) who decide if it is a minor sin to be forgiven or not. However, for example:
Refer to related question below for morals as extracted from Quran.
Wasting water,
Wasting time,
Sleeping late in night
being Honest, with your Lord, with yourself, with people. avoiding great sins: killing, stealing, prostitution,disobeying parents, alcohol drinking. and trying to avoid minor sins like disregard to others, wasting precious time, ....
Both of them are based on the same principles of praying to one god and not committing sins.
disobeying elders , steraling or doning anything that the quran forbids
In Islam, only one God is worshipped, there are no counterparts or minor gods.
You are thinking of Sufism. It is minor in the sense of having fewer members than other varieties of Islam such as Sunni Islam or Shiite Islam, but no doubt its members do not consider it to be a minor religion. Every religion is the most important religion in the world, to those who believe in it.
Sins of My Father was created on 2009-12-10.
No, it is not. In Islam, confession of sins is between the sinner and His/Her Creator without anyone whoever in between. You ask God, only God and no one else, for forgiveness. The second Pillar of Islam is Salat, or prayer. Muslims pray five times throughout the day to constantly thank God for that we are blessed with.
2 things Shirk [to include someone in the oneness of Allah] and Kuffar [disbelief]
the similarities are they both get cleaned and their sins get washed away .
Both Shiites and Sunnis are correct followers of Islam. They just differ in minor Islam issues but not in main Islam pillars and principles. Refer to related question below.
Christianity believes that Jesus is the Messiah AND that he came in order to save mankind from their sins. Islam believes that Jesus is the Messiah BUT does not claim that he came to absolve people's sins.
No. never. Stealing is one of the great sins in Islam religion per all Islam schools. it is explicitly specified; with its corresponding punishment; in Quran.