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Appendix B. Principal Linux Files

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
FileDescription
/boot/module-infoModule information for the Linux kernel
/boot/System.mapMap of the Linux kernel
/boot/vmlinuzLinux kernel
/etc/X11/XF86ConfigX configuration file
/etc/X11/xinit/XclientsDefault script for xinit
/etc/at.allowUserids of users allowed to use the at command
/etc/at.denyUserids of users forbidden to use the at command
/etc/auto.masterConfiguration file for the autofs daemon, which automatically mounts filesystems
/etc/auto.miscAutomounter map file
/etc/bashrcSystem-wide functions and aliases for the BASH shell
/etc/conf.modulesAliases and options for loadable kernel modules
/etc/fstabFilesystems mounted or available for mounting
/etc/groupGroup information
/etc/hostsMap of IP numbers to hostnames
/etc/hosts.allowHosts allowed to access Internet services
/etc/hosts.denyHosts forbidden to access Internet services
/etc/httpd/access.confWeb server configuration file
/etc/httpd/httpd.confWeb server configuration file
/etc/httpd/srm.confWeb server configuration file
/etc/inetd.confConfiguration for the inetd daemon, which controls access to Internet services
/etc/inittabConfiguration for the init daemon, which controls executing processes
/etc/issueLinux kernel and distribution version
/etc/lilo.confLoader (lilo) configuration file
/etc/login.defsOptions for useradd and related commands
/etc/minicom.usersUserids allowed to use minicom
/etc/mtabMounted filesystems
/etc/passwdUser account information
/etc/pine.confConfiguration of pine mail reader
/etc/printcapPrinter options and capabilities
/etc/profileDefault environment for users of BASH shell
/etc/rc.dScripts for system and process startup and shutdown
/etc/shadowSecure user account information
/etc/skelSkeleton files used to establish new user accounts
/etc/smb.confConfiguration of smb (Samba) daemon
/etc/smbpasswdAccount information for Samba users
/etc/smbusersUser mappings for Samba
/etc/termcapTerminal capabilities and options
/var/log/cronLog of cron activity
/var/log/httpd/access_logLog of web server access
/var/log/httpd/error_logLog of web server errors
/var/log/messagesSystem log



  

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