Description of the original procfs. Plan 9 procfs manual page - Plan 9 greatly expanded the procfs concept, providing a much expanded interface to control and manipulate processes. Linux Manual Pages Proc(5) Linux manual documentation for procfs Documentation/filesystems/proc.txt Linux kernel documentation for procfs External links A brief history of /proc Eric Schrock's Weblog Access the Linux kernel using the Procfs An IBM developerWorks article by M. Tim Jones Linux-Filesystem-Hierarchy Linux Documentation Project Discover the possibilities of the /proc directory by Federico Kereki Unix file system technology Linux kernel features Special-purpose file systems Interfaces of the Linux kernel Pseudo file systems supported by the Linux kernel