NOTE: CentOS Enterprise Linux 5 is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux 5 is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux 5.
Below are additional sources of information about proc file system.
3.5.1. Installed Documentation
Some of the best documentation about the proc file system is installed on
the system by default.
/usr/share/doc/kernel-doc-<version>/Documentation/filesystems/proc.txt
— Contains assorted, but limited, information about
all aspects of the /proc/ directory.
/usr/share/doc/kernel-doc-<version>/Documentation/sysrq.txt
— An overview of System Request Key options.
/usr/share/doc/kernel-doc-<version>/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/share/doc/kernel-doc-<version>/Documentation/networking/ip-sysctl.txt
— A detailed overview of IP networking options.
3.5.2. Useful Websites
https://www.linuxhq.com/
— This website maintains a complete database of
source, patches, and documentation for various versions
of the Linux kernel.
