SirGod Posted October 1, 2017 Report Posted October 1, 2017 Link: http://www.pathname.com/fhs/pub/fhs-2.3.html Table of Contents: 1. Introduction Purpose Conventions 2. The Filesystem 3. The Root Filesystem Purpose Requirements Specific Options /bin : Essential user command binaries (for use by all users) Purpose Requirements Specific Options /boot : Static files of the boot loader Purpose Specific Options /dev : Device files Purpose Specific Options /etc : Host-specific system configuration Purpose Requirements Specific Options /etc/opt : Configuration files for /opt /etc/X11 : Configuration for the X Window System (optional) /etc/sgml : Configuration files for SGML (optional) /etc/xml : Configuration files for XML (optional) /home : User home directories (optional) Purpose Requirements /lib : Essential shared libraries and kernel modules Purpose Requirements Specific Options /lib<qual> : Alternate format essential shared libraries (optional) Purpose Requirements /media : Mount point for removeable media Purpose Specific Options /mnt : Mount point for a temporarily mounted filesystem Purpose /opt : Add-on application software packages Purpose Requirements /root : Home directory for the root user (optional) Purpose /sbin : System binaries Purpose Requirements Specific Options /srv : Data for services provided by this system Purpose /tmp : Temporary files Purpose 4. The /usr Hierarchy Purpose Requirements Specific Options /usr/X11R6 : X Window System, Version 11 Release 6 (optional) Purpose Specific Options /usr/bin : Most user commands Purpose Specific Options /usr/include : Directory for standard include files. Purpose Specific Options /usr/lib : Libraries for programming and packages Purpose Specific Options /usr/lib<qual> : Alternate format libraries (optional) Purpose /usr/local : Local hierarchy /usr/local/share /usr/sbin : Non-essential standard system binaries Purpose /usr/share : Architecture-independent data Purpose Requirements Specific Options /usr/share/dict : Word lists (optional) /usr/share/man : Manual pages /usr/share/misc : Miscellaneous architecture-independent data /usr/share/sgml : SGML data (optional) /usr/share/xml : XML data (optional) /usr/src : Source code (optional) Purpose 5. The /var Hierarchy Purpose Requirements Specific Options /var/account : Process accounting logs (optional) Purpose /var/cache : Application cache data Purpose Specific Options /var/cache/fonts : Locally-generated fonts (optional) /var/cache/man : Locally-formatted manual pages (optional) /var/crash : System crash dumps (optional) Purpose /var/games : Variable game data (optional) Purpose /var/lib : Variable state information Purpose Requirements Specific Options /var/lib/<editor> : Editor backup files and state (optional) /var/lib/hwclock : State directory for hwclock (optional) /var/lib/misc : Miscellaneous variable data /var/lock : Lock files Purpose /var/log : Log files and directories Purpose Specific Options /var/mail : User mailbox files (optional) Purpose /var/opt : Variable data for /opt Purpose /var/run : Run-time variable data Purpose Requirements /var/spool : Application spool data Purpose Specific Options /var/spool/lpd : Line-printer daemon print queues (optional) /var/spool/rwho : Rwhod files (optional) /var/tmp : Temporary files preserved between system reboots Purpose /var/yp : Network Information Service (NIS) database files (optional) Purpose 6. Operating System Specific Annex Linux / : Root directory /bin : Essential user command binaries (for use by all users) /dev : Devices and special files /etc : Host-specific system configuration /lib64 and /lib32 : 64/32-bit libraries (architecture dependent) /proc : Kernel and process information virtual filesystem /sbin : Essential system binaries /usr/include : Header files included by C programs /usr/src : Source code /var/spool/cron : cron and at jobs 7. Appendix The FHS mailing list Background of the FHS General Guidelines Scope Acknowledgments Contributors 2 Quote
