A filesystem layer in the Linux kernel which allows a storage device to be used as a cache for other devices.
Bcache With Linux Mint
Introduction I recently had the task of fixing up an old Dell laptop to make it usable again. The laptop ran Windows 10, but it was very slow. After looking at the specs, I understood why. The laptop ran off an HDD and had only 4 GB of memory. Not great for Windows 10. However, there was one thing which made this laptop different. It had a small ~14 GB Intel Optane SSD....