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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


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