ACL Injury. The anterior cruciate ligament (ACL) works together with the other ligaments in the knee to connect the femur to the tibia and support the knee joint. A tear in the ACL is one of the most common knee injuries, causing the joint to become unstable and slide forward too much.
There more than 6,000 games currently available on Steam. If it seems like there's a flood of new games on the digital distribution outlet pumped out each and every day that's because new and old developers and publishers are putting up titles all the time.
Steam OS is possibly the best, most known and used cross platform Linux gaming distribution based on  Debian Linux, it is an assortment of numerous entertainment software, you can think of it as a complete gaming platform for Linux.