5.5. Additional Resources

5.5.1. 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.

5.5.2. Useful Websites

• http://www.linuxhq.com  This site maintains a complete database of source, patches, and documentation for various versions of the Linux kernel.