Common Linux files and directories

File
/etc/
/etc/passwd
User basic information
/etc/group
User Group basic information
/etc/shadow
Additions to the/etc/passwd file
/etc/gshadow
Group configuration file in shadow password set
/etc/login.defs
Provides a baseline for many parameters in a shadow password set
/etc/securetty
The Virtual Console listed determines where root administrative users are allowed to log on
/etc/securetty/access.conf
Control access for all users
/etc/bashrc
Used in system-wide aliases and functions
/etc/profile
For system-wide environments and boot files
/etc/pam_ldap.conf
LAPD Customer Configuration
/etc/openldap/ldap.conf
LAPD Configuration Extension
/etc/crontab
Task Schedule Time
/etc/xinetd.conf
Save a generic configuration for the XINETD service
/etc/fstab
Standard profile for file systems mounted during boot
/etc/auto.master
Configuration files for the/misc/directory
/etc/auto.misc
Standard automatic mount commands are stored in notes
/etc/auto.net
Viewing and reading shared HFS directories
/etc/auto.smb
Working in a shared directory that does not require a user name and password
/etc/auto.home
Set up shared directory related files
/etc/yum.conf
Yum-based configuration files
/etc/sysconfig/network6
Simple Network configuration Content
/etc/sysconfig/network-scripts/ifcg-lo
Loopback address Information
/etc/nsswitch.conf
A database search entry that defines everything from authentication to a name server
/etc/hosts
Host names and their IP addresses are saved
/etc/resolv.conf
The location of the DNS server is logged
/etc/sysconfig/init
The parameters in the file specify how the system looks and experiences during the boot process
/etc/init/control-alt-delete.conf
Called when the system starts
/etc/init/control-alt-delete.conf
Connect the init process to the Dbus server when the system starts
/etc/init/plymouth
Instead of a graphical system
/etc/init/readahead-collector.conf
Record pre-read files at startup
/etc/init/readahead-disable-services.conf
Record files that are blocked from pre-read at startup
/etc/init/readahead.conf
Actually starting the ReadAhead process
/etc/init/prefdm.conf
Start and manage GUI logins for run Level 5
/etc/init/start-ttys.conf
Start All Terminals
/etc/init/tty.conf
Another terminal name
/etc/init/serial.conf
This file is used when a connection is established over a serial port
/etc/init/rcs.conf
Executing the/etc/rd.d/rc.sysinit script during the boot process
/etc/init/rcs-sulogin.conf
Start using one terminal in single-user mode
/etc/init/rc.conf
Execute script at run time, executed script saved in/etc/rcn.d/directory
/etc/inittab
Defining the default Run level
/etc/hosts.allow
Consent List for TCP wrappers
/etc/hosts.deny
Deny list for TCP wrappers
/etc/sysctl.conf
System control
/etc/postfix.canonical/etc/postfix.generic
Acts like an alias file
/etc/postfix/relocated
Information that contains external network users
/etc/postfix/transport
Useful in situations where you need to forward a message
/etc/postfix/virtrual
Forward e-mail to a user account on the local system
/etc/postfix/main.cf
Postfix Main Configuration
/etc/sysconfig/
`
Directory
Standard directory in a basic file system hierarchy
/etc/
/etc/sysconfig/network-scripts/
To store script files about network configuration
/etc/init/
Files that are called by the directory at system startup
/etc/rcn.d/
Scripts that are automatically executed at boot time
/etc/yum/pluginconf.d/
About the configuration of Yum files
/etc/yum.repos.d/
The configuration file inside is used to connect the system and the actual library
/etc/skel/
Default environment file containing the new account
/etc/profile.d/
The script to be executed to contain the/etc/profile file
/etc/cron.d
Describe periodic tasks for a computer
/etc/xinetd.d/
Every file in the xinetd specifies a feature service to be managed.
/etc/ssh/
Storage SSH Service configuration file
/usr/
/usr/share/doc/
documentation for each software designer
/proc/
/proc/sys/
Parameters for storing kernel runs

Common Linux files and directories