Exploring the Linux File System: A Tree-Structured
Linux file system is a hierarchically tree structured.
In the Filesystem Hierarchy Standard (FHS), all files and directories appear under the root directory (/), even if they are stored on different physical or virtual devices.
/ :- root directory. It is the top level directory.
/bin :-
It is the place where all executable files are located and available for all users.
/dev :-
It contains references to all the CPU peripheral hardware, which are represented as files with special properties.
/etc :-
It contains most important system configuration files like disk configuration files, valid user lists, groups, Ethernet etc.. just like control panel in windows.
/lib :-
It contains library files, includes files for all kinds of programs needed by the system and the users.
/home :-
It is home directory of common user.
/root :-
It is home directory for root user.
/boot :-
It contains the files for booting the system.
/proc :-
It contains all processes considerable as a file by process number or other information that is dynamic to the system
/tmp :-
It contains temporary files used by the system, cleaning upon reboot.
/usr :-
It contains programs, libraries, documentation etc.. for all user-related programs.
/var :-
It is the storage for all variable files and temporary files created by users.
/sbin :-
It contain binary executable files for use by the system and the system administrator.