The standard of hierarchy of file system (FHS), the structure and content of the in the operating system, pseudo- of the modal. This standard by the Linux Foundation is supported. The latest version of this standard version 3. the 0, is date, June 2015 was released. Now the standard just in the Linux operating system is used.

in the standard hierarchy of the file system(FHS), all files and in root (root directory) / present (even if it and files on the physical device and the virtual other (relative to the Root) are stored.). Some of these only on a system specified there. if that subsystem, a certain, such as the system window X to be installed.

most of these in all operating systems there are generally application and it works in a different system similar to also. However, an explanation that in the case of the function in the following will come specifically for the FHS can be used for platforms in the cloud other than Linux are not valid.