Getting Started with Linux: Common Directory Introduction __linux

First, directory structure

The overall directory structure of Linux is to follow FHS (filesystem hierachy Standard);
/bin: The instructions that are used to store the boot and the instructions that can be used in the single user maintenance mode;/boot: Open access to files, including Linux kernel files, etc./dev: any device;/etc: Configuration file;/home: Directory with head of household;/lib: function library to be used when powering on /media: Automatically mounted directory;/mnt: temporarily mounted equipment;/OPT: third-party software;/root:root user's home directory;/sbin: a command used by the system administrator, which is required at boot time;/srv: A data file to store the service; TMP: Temporary file, recommended to empty;/lost+found: This directory is generally empty, but when a file system error occurs, the missing fragment is placed in this directory;/proc: The virtual file system is in memory and therefore does not occupy the hard disk space;/sys: Virtual file system, recording kernel-related information; Usr:unix software resource, storage system default installed software;/var: Documents for storing system operation process;

ii.. Common catalogue

/BOOT/VMLINUZ_XXXXX: Kernel file;/boot/grub:grub configuration file;/dev/sda: Disk file;/dev/zero: output only 0 devices;/etc/inittab: Set default boot level;/etc/ Init.d/: Service startup script;/etc/fstab: automatically mounted file system;/etc/x11:x window configuration file;/etc/issue:tty1~6 introduction at startup;/etc/passwd: User;/etc/ Shadow: password;/etc/group: User group;/etc/sysconfig/i18n: default language;/proc/cpuinfo:cpu information;/usr/bin: Store most of the commands;/usr/ Sbin: Most of the commands that a system administrator can use;/usr/local: The directory where the user later installs the software;/USR/SRC: storing source code;/usr/include: Storing the C + + header file;/usr/lib: The function library used by the system default software; /usr/share/doc: Software help files;/usr/share/man:man files;/root/install.log: Installing software log,/var/mail and/var/spool/mail: Storing mail;/var/ Cache: Temporary files when the application is running;/var/lock: Application lock;/var/log: Place login file;