Install NVIDIA Drivers and CUDA Toolkit on Kali 1.0.6

  The default Kali installation can be augmented with the ability to use its Graphics Processing Unit (GPU) to boost the performance of specific tools. Kali utilizes the open source nouveau driver to support graphics cards that does not support the usage of GPU...

Understanding OSX Permissions

The Macintosh OSX platform is based on Unix, and thus, the POSIX permissions model. With OSX, you can augment these permissions with Access Control Lists (ACLs), which allow for more granularity (very similar to Windows-based permissions), however troubleshooting them...