ethOS Mining OS. ethOS is a 64bit linux OS that mines Ethereum, Zcash, Monero, and other GPUminable can be autotraded to Bitcoin. Please see the ethOS knowledge base. for documentation and answers to common questions.. ethOS can run Tahiti/Tonga/Fiji with 50%90% hashrate increases.. There are 17,950 ethOS rigs mining on 101,015 GPUs.. Buy it Now