NOTE: CentOS Enterprise Linux is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux.
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.