Linux notes three-------root directory related instructions

1./bin binary binaries, executable program files
LS su pwd CD
Internal files are some instruction information

2./sbin Super binary binary files directory
command files that Super Admin root can execute

3./Dev Device directory
All devices in the Linux system use file representations
/dev/cdrom Hardware Optical Drive device
/DEV/SDA1 Partition Device

4./home Directory
To create a user for each system, the directory will automatically
Create a corresponding directory (the directory name is the same as the current user name),
This directory is used by this user.
The home directory
The user login system will switch to their home directory by default

5./proc Memory Map Directory
View information about the system

6./var variable variable, easy to become
PHP program developed for the/var directory
/var/www/html
/var/www/Deploying PHP Programs

7./Boot System boot Directory
/boot/initrd-2.6.18-194.el5.img
Linux kernel version is 2.6 version 2.5M core edition
CentOS 5.5 4G Release
Release: Core + peripheral software (compilers, installers, interpreters, etc.)
Red Hat Blue dot red flag ubuntu Debian et cetera
Release version number by hairstyle Company Custom version number
centos=redhat+ related software
Linux system is free software Itcast
Core edition: Developed by Linus

8./etc System core configuration file
/ETC/PASSWD Storing user Information

9./lib Library repository, function library.

/MNT Mount Mount
Optical drive, u disk, removable hard drive
mnt equals the H-drive, K-Drive, J-drive character of our window System
This directory can not be used, any ordinary directory can be implemented Mount

/root Root Administrator home directory

./usr User directory
program file directory equal to Window System
the system software will be installed in the USR directory

/usr/bin.
/usr/sbin
Some instructions that can be used by installing specific software

Linux notes three-------root directory related instructions