Installation guide
Chapter 2. The proc File System 53
2.5. Additional Resources
Below are additional sources of information about /proc/.
2.5.1. Installed Documentation
Most of the best /proc/ documentation is available on your system.
• /usr/src/linux-2.4/Documentation/filesystems/proc.txt — Contains assorted, but
limited, information about all aspects of the /proc/ directory.
• /usr/src/linux-2.4/Documentation/sysrq.txt — An overview of System Request Key
options.
• /usr/src/linux-2.4/Documentation/sysctl — A directory containing a variety of sysctl
tips, including modifying values that concern the kernel (kernel.txt), accessing file systems
(fs.txt), and virtual memory use (vm.txt).
• /usr/src/linux-2.4/Documentation/networking/ip-sysctl.txt — A look at various
IP networking options.
• /usr/src/linux-2.4 — Some of the most authoritative information on /proc/ can be found by
reading the kernel source code. Make sure the kernel-source RPM is installed on your system
and look in the /usr/src/linux-2.4 directory for the source code.
2.5.2. Useful Websites
• http://www.linuxhq.com — This site maintain a complete database of source, patches, and docu-
mentation for various versions of the Linux kernel.