.

Also question is, how does Sasuke get his sword?

Sasuke get his sword from the Orochimaru in the second part of the anime series Naruto Shippuden. Through this sword Sasuke is able to coordinate his chakra (with the sword) that makes the blade sharper and cut almost every thing.

Similarly, did Sasuke lose his sword? Sasuke was later mortally wounded after being stabbed in the heart with this blade by Madara Uchiha. The sword was later discarded during his battle with Madara, while the scabbard was destroyed during his battle with Kaguya Ōtsutsuki in her dimension. Sometime after the war, Sasuke replaced the sword with a new one.

Subsequently, question is, is Sasuke's sword black or white?

This replica sword is modeled after the anime and manga series Naruto:Shippuden. The manga portrays Sasuke's sword as white in color whereas in the anime, its black.

Who uses a sword in Naruto?

?, Literally meaning: Sword Technique) pertains to techniques that entail the use of swords, whether the users be shinobi, or samurai.