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Learning Red Hat Linux, Third Edition by Bill McCarty

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Appendix A. Linux Directory Tree

Table A-1 describes the directories in the Linux directory tree.

Table A-1. The Linux directory tree

Directory

Description

/bin

User programs and scripts essential to system startup

/boot

Boot information, including the kernel

/dev

Device files

/etc

Host-specific configuration files

/etc/sysconfig

Stores configuration files specific to Red Hat Linux

/home

Users’ home directories

/initrd

Used during boot process as a mount point for a directory containing special device drivers

/lib

Libraries, modules, and other object files

/lib/modules

Loadable kernel modules

/lost+found

Recovered data from bad clusters

/mnt

Temporarily mounted filesystems

/opt

Used to store large applications

/proc

Kernel pseudo-directory that provides access to kernel information and configuration items

/root

System administrator’s home directory

/sbin

System administration programs and scripts essential to system startup

/tmp

Temporary files, which are automatically deleted by Red Hat Linux

/usr

Files needed for system operation but not needed to boot system (can be mounted read-only, except when being changed by root user)

/usr/bin

Programs and scripts not essential to system startup

/usr/dict

System dictionaries for spell checking

/usr/etc

Configuration files

/usr/games

Game files

/usr/include

C/C++ header files

/usr/kerberos

Kerberos files

/usr/lib

Libraries and kernel modules ...

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