Appendix B. Principal Linux Files

Table 2.1 describes the principal Linux files. You can use it, for example, to help you locate configuration files quickly.

Table B-1. Principal Linux Files

File

Description

/boot/module-info

Module information for the Linux kernel

/boot/System.map

Map of the Linux kernel

/boot/vmlinuz

Linux kernel

/etc/X11/XF86Config

X configuration file

/etc/X11/xinit/Xclients

Default script for xinit

/etc/at.allow

Userids of users allowed to use the at command

/etc/at.deny

Userids of users forbidden to use the at command

/etc/auto.master

Configuration file for the autofs daemon, which automatically mounts filesystems

/etc/auto.misc

Automounter map file

/etc/bashrc

System-wide functions and aliases for the BASH shell

/etc/conf.modules

Aliases and options for loadable kernel modules

/etc/fstab

Filesystems mounted or available for mounting

/etc/group

Group information

/etc/hosts

Map of IP numbers to hostnames

/etc/hosts.allow

Hosts allowed to access Internet services

/etc/hosts.deny

Hosts forbidden to access Internet services

/etc/httpd/access.conf

Web server configuration file

/etc/httpd/httpd.conf

Web server configuration file

/etc/httpd/srm.conf

Web server configuration file

/etc/inetd.conf

Configuration for the inetd daemon, which controls access to Internet services

/etc/inittab

Configuration for the init daemon, which controls executing processes

/etc/issue

Linux kernel ...

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