 sysjail was developed and released in 2006 by Kristaps Dzonsons (aka Johnson), a research assistant in Game theory at the Stockholm School of Economics, and Maikls Deksters.sysjail was re-written from scratch in 2007 to support emulated processes in jails, limited (initially) to Linux emulation.The project was officially discontinued on 3 March 2009 due to flaws inherent to syscall wrapper-based security architectures.