In the Berkeley Software Distribution (BSD) and its descendants, kernfs is a pseudo file system that provides access to information on the currently running kernel. The file system itself and its content are dynamically generated when the operating system is booted, and the kernfs is often mounted at the /kern directory. As a result of its nature, kernfs does not consist of actual files on a storage device, allowing instead processes to retrieve system information by accessing virtual files.
- procfs – a special file system in Unix-like operating systems that presents information about processes and other system information
- tmpfs – a common name for a temporary file storage facility on many Unix-like operating systems
- "kernfs(5) – kernel file system". gsp.com. December 14, 1996. Archived from the original on September 28, 2007. Retrieved May 6, 2014.
- "Rewrite kernfs and procfs". netbsd.org. September 8, 2014. Retrieved March 24, 2015.
- Joshua Train; Joseph D. Touch; Lars Eggert; Yu-Shun Wang (December 9, 2003). "NetFS: Networking through the File System, Section 6.1 Procfs and Kernfs" (PDF). isi.edu. p. 8. Retrieved July 4, 2016.
- "mount_kernfs(8) – mount the /kern file system". netbsd.gw.com. September 8, 2003. Retrieved March 24, 2015.
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