The '''[http://www.pathname.com/fhs/%|%Filesystem Hierarchy Standard]''' is a standard that describes the organisation of files and directories on [UNIX]-like operating systems. It describes common location such as `/bin`, `/usr/bin`, `/usr/local/bin` etc. ** Description ** The Filesystem Hierarchy Standard specifies , for example , that executable files such as [tclsh] , [wish] , and [expect] , if intended for system-wide use , should be located in `/usr/bin` . <> Operating System | Linux | System Administration