'Islam' has been used in the form of commands...

'Islam' has been used in the form of commands, benedictions and other expressions by the prophets and their faithful followers, announcing their submission or response to its call. Allah the Exalted, proclaims through His servant Noah (a.s.): "But if you are averse I have asked of you no wage; my wage is only with Allah, and I am commanded to be of those who are…