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System Directories
Your Linux file system is organized into directories whose files are used for different system functions (see Chapter 30.
Red Hat Administration Tool | Description |
|---|---|
System Settings | Red Hat window and menu for accessing administrative tools |
redhat-config-users | User and Group configuration tool |
redhat-config-printer | Printer configuration tool |
redhat-config-xfree86 | Red Hat display configuration tool (video card and monitor) |
redhat-config-packages | Software management |
redhat-config-rootpassword | Changes the root user password |
redhat-config-keyboard | Changes the keyboard configuration |
redhat-config-date | Changes system time and date |
redhat-config-mouse | Configures your mouse |
redhat-config-language | Selects a language to use |
redhat-config-soundcard | Configures your sound card |
Directories | Description |
|---|---|
/bin | System-related programs |
/sbin | System programs for specialized tasks |
/lib | System libraries |
/etc | Configuration files for system and network services and applications |
/home | The location of user home directories and server data directories, such as Web and FTP site files |
/mnt | The location where CD-ROM and floppy disk files systems are mounted (Chapter 30) |
/var | The location of system directories whose files continually change, such as logs, printer spool files, and lock files (Chapter 30) |
/usr | User-related programs and files; includes several key subdirectories, such as /usr/bin , /usr/X11 , and /usr/doc |
/usr/bin | Programs for users |
/dev | Device files (Chapter 32) |
/usr/X11 | X Window System configuration files |
/usr/share | Shared files |
/usr/share/doc | Documentation for applications |
/tmp | Directory for system temporary files |
Program Directories
Directories with "bin" in the name are used to hold programs. The /bin directory holds basic user programs, such as login, shells (BASH, TCSH, and ZSH), and file commands (cp , mv , rm , ln , and so on). The /sbin directory holds specialized system programs for such tasks as file system management (fsck , fdisk , mkfs ) and system operations like shutdown and startup (init ). The /usr/bin directory holds program files designed for user tasks. The /usr/sbin directory holds user-related system operations, such as useradd to add new users. The /lib directory holds all the libraries your system makes use of, including the main Linux library, libc , and subdirectories such as modules, which holds all the current kernel modules.
