How Hazrat Salman Farsi (RA) was freed as a slave?

How Hazrat Salman Farsi (RA) was freed as a slave?

حضرت سلمان فارسی رضی اللہ عنہ کو غلام کیسے آزاد کیا گیا؟
Explanation

Hazrat Salman (R.A.) was released from slavery by the Prophet (S.A.W.) who paid his Jewish slave-owner a stipulated price and who himself planted an agreed number of date palms to secure his manumission.

Salman was a companion of the Islamic prophet Muhammad.

First Persian who converted to Islam.

He was referred to by the kunya Abu Abdullah

Born: 568 AD, Jay

Died: Ctesiphon, Iraq