Quran History

In this Book, the Holy Prophet's life, the history of the Arabs and the events which occurred during the period of the revelation of the Quran have not been mingled with the Divine Verses, as is the case with the Bible. The Quran is the pure word of God. Not one word therein is not divine. Not a single word has been deleted from its text. The Book has been handed down to our age in its complete and original form since the time of Prophet Muhammad. From the time the Book began to be revealed, the Holy Prophet had dictated its text to the scribes. Whenever some Divine Message was revealed, the Holy Prophet would call a scribe and dictate its words to him. The written text was then read out to the Holy Prophet, who, having satisfied himself that the scribe has committed no error of recording, would put the manuscript in safe custody. The Holy Prophet used to instruct the scribe about the sequence in which a revealed message was to be placed in a particular Surah (chapter). In this manner, the Holy Prophet continued to arrange the text of the Quran in systematic order till the end of the chain of revelations. Again, it was ordained from the beginning of Islam that a recitation of the Holy Quran must be an integral part of worship. Hence the illustrious Companions would commit the Divine verses to memory as soon as they were revealed. Many of them learned the whole text and a far larger number had memorized different portions of it.
Method of preservations of the Quran during the Prophet's time
Besides, those of the Companions (pbut) who were literate used to keep a written record of several portions of the Holy Qur'an. In this manner, the text of the Holy Qur'an had been preserved in four different ways during the lifetime of the Holy Prophet (PBUH):
The Holy Prophet (PBUH) had the whole text of the Divine Messages from the beginning to the end committed to writing by the scribes of revelations.
Many of the Companions learned the whole text of the Qur'an, every syllable of it, by heart.
All the illustrious Companions, without an exception, had memorized at least some portions of the Holy Qur'an, for the simple reason that it was obligatory for them to recite it during worship. An estimate of the number of the illustrious Companions may be obtained from the fact that one hundred and forty thousands Companions had participated in the Last Pilgrimage performed by the Holy Prophet (PBUH).
A considerable number of the literate Companions kept a private record of the text of the Qur'an and satisfied themselves as to the purity of their record by reading it out to the Holy Prophet (PBUH).