B. Principal Linux Files

Table B.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/vmlinuz*	Linux kernel
/etc/smb.conf	Configuration of `smb` (Samba) daemon
/etc/smbpasswd	Account information for Samba users
/etc/apache/access.conf	Web server configuration file
/etc/apache/apache.conf	Web server configuration file
/etc/apache/srm.conf	Web server configuration file
/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/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 and distribution version
/etc/lilo.conf	Loader ( lilo) configuration file
/etc/login.defs	Options for `useradd` and related commands
/etc/minicom.users	Userids allowed to use `minicom`
/etc/mtab	Mounted filesystems
/etc/passwd	User account information
/etc/printcap	Printer options and capabilities
/etc/profile	Default environment for users of BASH shell
/etc/rc.d*	Scripts for system and process startup and shutdown
/etc/rc.boot	Scripts for system boot
/etc/shadow	Secure user account information
/etc/skel	Skeleton files used to establish new user accounts
/etc/terminfo	Terminal capabilities and options
/etc/X11/XF86Config	X configuration file
/var/log/apache/access.log	Log of web server access
/var/log/apache/error.log	Log of web server errors
/var/log/messages	System log
/var/spool/cron	Directory for `at` and `cron` configuration files