Mac OS X for Unix Geeks

The /etc Directory

The /etc directory contains configuration files for Unix applications and services, as well as scripts that control system startup. Table A-2 lists the contents of the /etc directory.

Table A-2. The /etc directory

File or directory	Description
6to4.conf	Configuration file for encapsulating IPv6 within IPv4. See ip6config(8).
X11/	X11 configuration directory. This will be present only if you have installed XDarwin.
acgid/	File that contains configuration files for acgid, a bridge between Apache and ACGI-capable scripting languages, such as AppleScript. Mac OS X Server only. For equivalent functionality under Mac OS X, see http://www.sentman.com/acgi/.
afpovertcp.cfg	File that causes Mac OS X to use TCP/IP as the default transport for Apple File Protocol (AFP). Use this file to configure the defaults for AFP over TCP/IP.
appletalk.cfg	AppleTalk configuration file for routing or multihoming. See the appletalk.cfg(5) manpage.
authorization	File that controls how applications, such as installers, can temporarily obtain root privileges.
bashrc	Global configuration file for bash, the Bourne-again shell.
crontab	root’s crontab. See Section 2.3.1.
csh.cshrc	Global csh configuration file, processed when the shell starts up. If you have a .cshrc or .tcshrc file in your home directory, tcsh will execute its contents as well.
csh.login	Global csh login file, processed when a login shell starts up. If you have a .login ...