In order for you to play Turok on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 12.04 64-bit
Processor (CPU):
Dual-core from Intel or AMD at 2.0 GHz
Memory (RAM):
1 GB RAM
Graphics Card:
Intel 787 Express or equivalent supporting OpenGL 2.1 Core
Storage:
800 MB available space
In order to play Turok on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 16.04 64-bit
Processor (CPU):
Intel Core i5-2300 2.8 GHz/AMD Phenom II X4 945 3.0 GHz or equivalent
Memory (RAM):
2 GB RAM
Graphics Card:
NVIDIA GeForce 7800/7900/8600 series, ATI/AMD Radeon HD 2600/3600 or X1800/X1900 series supporting OpenGL 2.1 Core
Storage:
800 MB available space