Get the Whitepaper called In lieu of swap: Analyzing compressed RAM in Mac OS X and Linux. This paper discusses the difficulty of analyzing swap files in more detail, the compressed RAM facilities in Mac OS X and Linux, and the author’s new tools for analysis of compressed RAM. These tools are integrated into the open-source Volatility framework.
You can download it from the following link: https://packetstormsecurity.com/files/download/128039/DFRWS2014-1.pdf
Source: https://packetstormsecurity.com/files/128039/In-Lieu-Of-Swap-Analyzing-Compressed-RAM-In-Mac-OS-X-And-Linux.html