hier(7) on openbsd

/

Root directory.

/altroot/

Alternate (backup) location for the root (‘/’) filesystem (see daily(8)).

/bin/

User utilities fundamental to both single and multi-user environments. These programs are statically compiled and therefore do not depend on any system libraries to run.

/bsd

Pure kernel executable (the operating system loaded into memory at boot-time).

/bsd.mp

Pure kernel executable for multiprocessor machines.

/bsd.rd

Installation kernel. The built-in RAM disk contains utilities which can be run without an external file system, so this kernel is useful for limited system maintenance too.

/bsd.sp

Pure kernel executable for single processor machines.

/dev/

Block and character device files.

MAKEDEV: Script for creating device files (see MAKEDEV(8)).
fd/: File descriptor files (see fd(4)).

/etc/

System configuration files and scripts.

localtime: Local time zone information (see ctime(3)).
X11/: Configuration files for the X11 window system.
acme/: Private keys for acme-client(1).
amd/: Contains map files for amd(8).
authpf/: Configuration files for the authenticating gateway user shell (see authpf(8)).
examples/: Example configuration files for base system daemons.
firmware/: Firmware files for various devices.
fonts/: Configuration files for X11 window system fonts.
hotplug/: Scripts for the hotplug daemon, hotplugd(8).
iked/: Configuration files for iked(8).
isakmpd/: Configuration files for isakmpd(8).
ldap/: Certificates and schema definition files for ldapd(8).
login.conf.d/: Additional login attributes for login.conf(5).
mail/: System mail configuration files.
mtree/: mtree(8) configuration files.
npppd/: npppd(8) configuration files.
ppp/: pppd(8) configuration files.
raddb/servers/: List of radius servers and their associated shared secrets for login_radius(8).
rc.d/: packages(7) start/stop scripts and subroutines for rc(8).
rpki/: TAL and configuration files for rpki-client(8).
signify/: Key files used by signify(1).
skel/: Example ‘.’ (dot) files for new accounts.
skey/: One-time password user database for skey(1).
ssh/: Configuration files for ssh(1) and sshd(8).
ssl/: OpenSSL configuration files (see openssl(1)).

/home/

Default location for user home directories.

_sysupgrade/: Download location for sysupgrade(8).

/mnt/

Empty directory commonly used by system administrators as a temporary mount point.

/root/

Default home directory for the superuser.

/sbin/

System programs and administration utilities fundamental to both single and multi-user environments. Most of these programs are statically compiled and therefore do not depend on any system libraries to run.

/tmp/

Temporary files that are not preserved between system reboots. Periodically cleaned by daily(8).

/usr/

Contains the majority of user utilities and applications.

X11R6/

Files required for the X11 window system.

bin/

X11 binaries.

include/

X11-specific C include files.

lib/

X11 archive libraries.

X11/: Default configuration files for X11 and companion applications.
modules/: Various libraries and drivers for the X11 window system.
pkgconfig/: Package metadata for pkg-config(1).
xorg/: Data files used by the X server.

man/

X11 manual pages.

share/

Architecture independent data files.

bin/

Common utilities, programming tools, and applications.

games/

Useful and semi-frivolous programs.

include/

Standard C include files.

arpa/: C include files for Internet service protocols.
c++/: Include files for the Clang C++ compiler.
cbor/: C include files for the Concise Binary Object Representation (CBOR) library.
crypto/: C include files for the cryptographic libraries.
ddb/: C include files for the kernel debugger (see ddb(4)).
dev/: Device-specific C include files.
fido/: C include files for the U2F/FIDO2 communication library.
g++/: Include files for the GNU C++ compiler.
isofs/: C include files for the ISO standard file systems (currently only cd9660).
llvm/: C++ include files for LLVM.
llvm-c/: C include files for LLVM.
machine/: Machine specific C include files.
miscfs/: C include files for miscellaneous file systems.
msdosfs/: C include files for MS-DOS file system.
net/: Miscellaneous network C include files.
net80211/: C include files for 802.11 wireless networking.
netinet/: C include files for Internet standard protocols (see inet(4)).
netinet6/: C include files for Internet protocol version 6 (see inet6(4)).
netmpls/: C include files for the MPLS protocol.
nfs/: C include files for NFS (Network File System).
ntfs/: C include files for NTFS file system.
openssl/: C include files for the OpenSSL library (see ssl(8)).
protocols/: C include files for Berkeley service protocols.
readline/: C include files for the readline(3) library.
rpc/: C include files for remote procedure calling (see rpc(5)).
rpcsvc/: C include files for rpcsvc.
scsi/: SCSI-specific C include files.
sys/: System C include files (kernel data structures).
ufs/: C include files for UFS (the U-word File System).
uvm/: C include files for the virtual memory interface.

lib/

System libraries. See intro(3) for a description of library types.

libdata/

Miscellaneous utility data files.

cvs/: Placeholder for user contributed cvs(1) code/scripts.
ldscripts/: ELF linker scripts.
perl5/: Data files for perl(1).

libexec/

System daemons and utilities (executed by other programs).

auth/: Login scripts used to authenticate users (for BSD Authentication).
cvs/contrib/: User contributed cvs(1) scripts.
lpr/: Contains the lpf filter for lpd(8).
radiusd/: Authentication modules for radiusd(8).
snmpd/: SNMP subagents.

local/

Local executables, libraries, etc.

mdec/

Boot-related executables.

obj/

Architecture specific target tree produced by building the /usr/src tree.

ports/

The OpenBSD ports collection (see ports(7)).

sbin/

System daemons and utilities (executed by users).

share/

Architecture independent data files.

calendar/

Variety of pre-fab calendar files (see calendar(1)).

dict/

Word lists (see look(1) and spell(1)).

american: Spellings preferred in American usage.
british: Spellings preferred in British usage.
propernames: List of proper names.
stop: Forms that would otherwise be derivable by spell(1) from words in the other files in /usr/share/dict, but should not be accepted.
web2: Words from Webster's 2nd International.
web2a: Additional words from Webster's.
words: Common words.
papers/: Reference databases.
special/: Custom word lists.

doc/

Miscellaneous documentation.

games/

ASCII text files used by various games.

info/

Texinfo source files.

locale/

Locales for multi-language support.

man/

Manual pages.

man1/: General commands (tools and utilities).
man2/: System calls and error numbers.
man3/: Libraries.
man3p/: perl(1) programmers' reference guide.
man4/: Special files and hardware support.
man5/: File formats.
man6/: Games.
man7/: Miscellaneous.
man8/: System maintenance and operation commands.
man9/: Kernel internals.

misc/

Miscellaneous system-wide ASCII text files.

termcap: Terminal characteristics database (see termcap(5)).
pcvtfonts/: Additional console fonts.

mk/

Templates for make(1).

relink/

Link kit for boot-time kernel and library relinking.

snmp/

Data files for snmpd(8).

mibs/: Management Information Base (MIB) definitions.

tabset/

Tab description files for a variety of terminals; used in the termcap file (see termcap(5)).

terminfo/

Compiled terminal characteristic files (see terminfo(5)).

texinfo/

Templates for texinfo(5).

zoneinfo/

Time zone configuration information (see tzfile(5)).

src/

BSD and/or local source files.

bin/: Source for files in /bin.
distrib/: Source for making distribution sets.
etc/: Source for files in /etc.
games/: Source for files in /usr/games.
gnu/: Source for files under GPL or other restrictive licenses.
include/: Source for files in /usr/include.
lib/: Source for files in /usr/lib.
libexec/: Source for files in /usr/libexec.
regress/: Regress framework.
sbin/: Source for files in /sbin.
share/: Source for files in /usr/share.
sys/: Kernel source files.
usr.bin/: Source for files in /usr/bin.
usr.sbin/: Source for files in /usr/sbin.

xenocara/

Source for the X11 window system.

xobj/

Architecture specific target tree produced by building the /usr/xenocara tree.

/var/

Multi-purpose log, temporary, transient, and spool files.

account/

System accounting files.

acct: Execution accounting file (see acct(5)).

agentx/

Master socket for AgentX-based backends, managed by snmpd(8).

audit/

Audit logs.

authpf/

PID file for authpf(8).

backups/

Miscellaneous backup files.

cache/

Data cached for programs.

crash/

Crash dumps written by savecore(8).

cron/

Spools and configuration files for cron(8) and at(1).

atjobs/: at(1) jobs.
tabs/: Individual crontab(1) files.

db/

Miscellaneous, automatically generated system-specific database files.

empty/

Generic chroot(2) directory.

games/

Miscellaneous game status and log files.

log/

Miscellaneous system log files.

wtmp: Login/logout log (see wtmp(5)).
rdist/: Log files for rdist(1).

mail/

User mailbox files.

nsd/

Database and zone files for nsd(8).

quotas/

Filesystem quota information files.

run/

System information files describing various info about the system since it was booted.

rc.d/: Details of currently running daemons; used by rc.d(8).
utmp: Database of current users (see utmp(5)).

spool/

Miscellaneous printer and mail system spooling directories.

ftp/: Commonly ~ftp; the anonymous ftp root directory.
lock/: Lock files for utilities such as pppd(8).
output/: Line printer spooling directories.
smtpd/: Mail spool for smtpd(8).

sysmerge/

Checksum files and reference sets for sysmerge(8).

syspatch/

Rollback tarballs and patch files for syspatch(8).

tmp -> ../tmp

A symbolic link to the system /tmp directory. To protect other users of /var from overfill conditions, this is no longer a space you can trust to retain storage over a reboot. Periodically cleaned by daily(8).

unbound/

Configuration files for unbound(8).

www/

Configuration files for httpd(8).

yp/

Files for the yp(8) subsystem.

hier(7)

NAME

DESCRIPTION

SEE ALSO

HISTORY

History