1. A method of operating a memory system, comprising: identifying, at a memory controller, a source address in a source memory for data to be transferred to a target memory, wherein the memory controller, the source memory and the target memory are each coupled with a bus; and sending, by the memory controller, a command comprising a target address to the target memory to initiate a transfer of the data directly from the source memory to the target memory via the bus, wherein the command comprises a single command sequence that is received at both the source memory and the target memory, wherein the single command sequence indicates a read operation at the source memory and a write operation at the target memory, and wherein the read operation and the write operation occur concurrently.