Directory structure
Linux file system is a hierarchically tree structured. In the File System Hierarchy Standard (FHS), all files and directories appear under the root directory /, even if they are stored on different physical or virtual devices.
Most of these directories exist in all UNIX like operating systems and are generally used in much the same way; however, the descriptions here are those used specifically for the FHS, and are not considered authoritative for platforms other than Linux.
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/ |
root directory. It is the top level directory. |
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/bin |
It is the place where all executable files are located and available for all users. |
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/dev |
It Contains references to all the CPU peripheral hardware, which are represented as files with special properties. |
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/etc |
It contains most important System configuration files like disk configuration files,valid user lists, groups, Ethernet etc.. just like control panel in windows. |
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/lib |
It contains library files ,includes files for all kinds of programs needed by the system and the users . |
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/home |
It is home directory of common user. |
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/root |
It is home directory for root user. |
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/boot |
It contains the files for booting the system. |
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/proc |
It Contains all processes considerable as a file by process number or other information that is dynamic to the system. |
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/tmp |
It contains temporary files used by the system ,cleaning upon reboot. |
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/usr |
It contains Programs, libraries, documentation etc.. for all user-related programs. |
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/var |
It is the Storage for all variable files and temporary files created by users. |
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/sbin |
It contain binary executable files. Programs for use by the system and the system administrator. |
