Below are additional sources of information about the
proc file system.
/usr/share/doc/kernel-doc-kernel_version/Documentation/ — This directory, which is provided by the kernel-doc package, contains documentation about the
proc file system. Before accessing the kernel documentation, you must run the following command as root:
yum install kernel-doc
/usr/share/doc/kernel-doc-kernel_version/Documentation/filesystems/proc.txt — Contains assorted, but limited, information about all aspects of the
/usr/share/doc/kernel-doc-kernel_version/Documentation/sysrq.txt — An overview of System Request Key options.
/usr/share/doc/kernel-doc-kernel_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 (
/usr/share/doc/kernel-doc-kernel_version/Documentation/networking/ip-sysctl.txt — A detailed overview of IP networking options.