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Filesystem Hierarchy Standard

Filesystem Hierarchy Standard

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This contains a small overview over linux/unix Filesystem Hierarchy Standard. After you know all this you should easily find your way in most linux/unix system. Source:

Items (41)

  • root directory of the entire file system


  • Essential command binaries for single user mode


  • Boot loader files


  • Essential devices


  • Host-specific system-wide configuration files


  • Configuration files for packages in /opt/


  • Configuration files,for software that processes SGML


  • Configuration files for the X Window System 11


  • Configuration files for software that processes XML.


  • Users' home directories


  • Libraries essential for the binaries in /bin/ and /sbin/.


  • Alternate format essential libraries


  • Mount points for removable media


  • Temporarily mounted filesystems


  • Optional application software packages


  • Virtual filesystem providing process and kernel information as files


  • Home directory for the root user


  • Essential system binaries


  • Site-specific data which are served by the system


  • Temporary files. Often not preserved between system reboots.


  • Contains the majority of (multi-)user utilities and applications


  • Non-essential command binaries for all users


  • Standard include files


  • Libraries for the binaries in /usr/bin/ and /usr/sbin/


  • Alternate format libraries


  • Tertiary hierarchy for local data, specific to this host


  • Non-essential system binaries


  • Architecture-independent (shared) data


  • Source code


  • X Window System, Version 11, Release 6.


  • Variable files


  • Application cache data


  • State information. Persistent data modified by programs as they run


  • Lock files. Files keeping track of resources currently in use


  • Log files. Various logs


  • Users' mailboxes


  • Variable data from add-on packages that are stored in /opt/


  • Information about the running system since last boot


  • Spool for tasks waiting to be processed


  • Deprecated location for users' mailboxes


  • Temporary files to be preserved between reboots