So I hope you people have successfully installed the Linux operating systems in your Virtual Machines. So now let’s move to its file systems.
Linux File Hierarchy Structure:
The Linux File Hierarchy Structure defines the directory structure (or) the File hierarchy Standard (FHS) and the directory contents in the Unix like Operating systems. It was maintained by the Linux Foundation
So let us discuss its hierarchy system in detailed.
It is the primary root directory of the entire file system
Root users home directory is /root which is not equal to (/)
This root consists of the following files as shown below
This folder contains the essential Linux command binaries in a single user mode.
Ex: cat, ls, cp
Ex: ps, ls, cp, ping, grep.
This directory contains the boot loader files
Ex: kernels, initrd
This directory contains the essential device files. This includes the terminal devices, USB (or) any device attached to the system.
Ex: /dev, /tty1
This directory contains the host-specific system-wide configuration files
Ex: /etc/resolv.conf, /etc/logrotate.conf
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This directory contains the saved files (or) the personal settings etc…
This directory is used to store their personal files
This directory contains the essential libraries for libraries in /bin and /sbin.
These libraries can be either id* (or) lib*.so*.
this points to the removable disk such as CD- Roms.
Ex: /media/ cdrom for CD- ROM, /media/floppy for floppy drivers.
This directory contains temporary file systems. This is a place where the sysadmins can mount the file systems
This directory contains the optional application software packages. This contains the add – on applications from the individual vendors. These add-on applications can be installed under either /opt (or) /opt/sub-directory
This directory contains the essential system binaries
ex: fsck, init, and route
just like /bin, the /sbin also contains the binary executables.
ex: iptables, rebook, fdisk, ipconfig.
This directory contains the system information such as the data and the scripts for the web servers, data offered for FTP Servers, and the repositories for Version Control System. This SRV usually stands for the service. This contains the CVS related data.
This directory contains the temporary files. And these were not preserved when the system reboots and the size may be severely restricted. Under this directory, both the systems and the users can create temporary files. When the system is rebooted, files under this directory were deleted.
It is the secondary hierarchy for read-only data. This contains the majority of user utilities and applications.
Ex: at, awk, cc, scp
Ex: atd, cron, sshd.
It is a virtual file system providing the process and the kernel information as files. This directory contains the automatically generated and populated system on the fly.
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