[Hadith 110](http://sunnah.com/bukhari/3), from Sahih al-Bukhari is narrated by Abu Hurraira; and he had said:

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> The Prophet (ﷺ) said, "Name yourselves with my name (use my name) but do not name yourselves with my Kunya name (i.e. Abul Qasim). And whoever sees me in a dream then surely he has seen me for Satan cannot impersonate me. And whoever tells a lie against me (intentionally), then (surely) let him occupy his seat in Hell-fire."
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What is meant by the Kunya name? And why does the Prophet (pbuh) say that his Kunya name is Abul Qasim?