What belief system is Monotheistic?

The only real monotheistic religion is Islam in its universal sense. Islam is an Arabic Word that means submission to Allah (God in English), the one and only one God with no partner, no companion, no son, no associate, and no resemblance.

• Islam per Torah revelation to Moses (PBUH) is called Judaism
• Islam per Bible revelation to Jesus (PBUH) is called Christianity
• Islam per Quran revelation to Muhammad (PBUH) is called the same name Islam

The three religions Judaism, Christianity, and Islam are basically monotheistic religions despite the deviations and alterations introduced into Judaism and Christianity basic beliefs and holly books.