1. A method of manipulating data, the method comprising: receiving a data manipulation command comprising a first logical address and a second logical address from a host; and mapping the second logical address to a physical address of a non-volatile memory device which stores data corresponding to the first logical address, in response to the data manipulation command, wherein an operation of reading or writing the data stored in the physical address of the non-volatile memory device is not performed in response to the data manipulation command.