| Directory
| Description
|
| /bin/
| Essential command binaries for all users (e.g., cat, ls, cp)
|
| /boot/
| Boot loader files (e.g., kernels, initrd)
|
| /dev/
| Essential devices (e.g., /dev/null)
|
| /etc/
| Host-specific system-wide configuration files (from et cetera)
|
|
| Configuration files for /opt/
|
|
| Configuration files for the X Window System, version 11
|
|
| Configuration files for SGML
|
|
| Configuration files for XML
|
| /home/ (optional)
| Users' home directories
|
| /lib/
| Libraries essential for the binaries in /bin/ and /sbin/
|
| /mnt/
| Temporarily mounted filesystems
|
| /media/
| Mount points for removable media such as CD-ROMs (appeared in FHS-2.3)
|
| /opt/
| Static application software packages
|
| /proc/
| Virtual filesystem documenting kernel and process status, mostly text files (e.g., uptime, network)
|
| /root/ (optional)
| Home directory for the root user
|
| /sbin/
| Essential binaries for root (e.g., init, route, ifup) (superuser binaries)
|
| /tmp/ (optional)
| Temporary files
|
| /usr/
| Secondary hierarchy for shareable, read-only (user) data
|
|
| Same as for top-level hierarchy
|
|
| Standard include files
|
|
| Same as for top-level hierarchy
|
|
| Same as for top-level hierarchy
|
|
| Architecture-independent (shared) data
|
|
| Source code
|
|
| X Window System, Version 11 Release 6
|
|
| Tertiary hierarchy for local data installed by the system administrator
|
| /var/
| Variable files, such as logs and temporary files
|
