diff --git a/share/man/man7/hier.7 b/share/man/man7/hier.7 index 8cd6ff338b5c..7d164b5683d6 100644 --- a/share/man/man7/hier.7 +++ b/share/man/man7/hier.7 @@ -1,946 +1,985 @@ .\"- .\" SPDX-License-Identifier: BSD-3-Clause .\" .\" Copyright (c) 1990, 1993 .\" The Regents of the University of California. All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" 3. Neither the name of the University nor the names of its contributors .\" may be used to endorse or promote products derived from this software .\" without specific prior written permission. .\" .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd March 21, 2024 +.Dd April 18, 2024 .Dt HIER 7 .Os .Sh NAME .Nm hier -.Nd layout of +.Nd index of .Fx file system hierarchy .Sh DESCRIPTION .Bl -tag -width "/libexec/" .It Pa / root directory of the file system .It Pa /COPYRIGHT .Fx copyright information .It Pa /bin/ -user utilities fundamental to both single and multi-user modes +fundamental +.Bx +user utilities; see +.Xr intro 1 .It Pa /boot/ programs and configurations used during .Fx -bootstrap +.Xr boot 8 .Pp .Bl -tag -width "loader.conf.d/" -compact .It Pa defaults/ -default bootstrap configuration files; see +default boot configuration files; see .Xr loader.conf 5 .It Pa device.hints kernel variables for controlling drivers; see .Xr device.hints 5 .It Pa dtb/ compiled flattened device tree (FDT) files; see .Xr fdt 4 and .Xr dtc 1 .Pp .Bl -tag -width "overlays/" -compact .It Pa overlays/ -compiled flattened device tree (FDT) overlays; these can be applied using the +compiled +.Xr fdt 4 +overlays; see .Va fdt_overlays -setting in +in .Xr loader.conf 5 .El .Pp .It Pa efi/ -mount point for EFI System Partition (ESP) on UEFI systems +the +.Xr uefi 8 +EFI System Partition (ESP) mount point .It Pa firmware/ loadable binary firmware kernel modules .It Pa fonts/ binary bitmap console fonts; see .Xr loader.conf 5 and .Xr vtfontcvt 8 .It Pa images/ beastie boot menu images; see .Xr loader_lua 8 .It Pa kernel/ -pure kernel executable -.Pq the operating system loaded into memory at boot time -and kernel modules; see +.Fx +kernel and modules; see .Xr kldstat 8 .It Pa kernel.old/ alternative kernel and modules .It Pa loader.conf boot loader configuration; see .Xr loader.conf 5 .It Pa loader.conf.d/ .Xr loader.conf 5 configuration files .It Pa lua/ -scripts for kernel bootstrapping final stage; see +scripts for the Lua boot loader; see .Xr loader_lua 8 .It Pa modules/ third-party loadable kernel modules, such as those installed with .Xr pkg 8 or from .Xr ports 7 .It Pa zfs/ ZFS .Xr zpool 8 cache files .El .It Pa /compat/ files supporting binary compatibility with other operating systems .Pp .Bl -tag -width "loader.conf.d" -compact .It Pa linux/ default location for .Xr linux 4 compatibility run-time .El .It Pa /dev/ -device special files managed by +device nodes and special files; see +.Xr intro 4 +and .Xr devfs 5 .Pp .Bl -tag -width "loader.conf.d" -compact .It Pa ada0 first ATA storage device .It Pa ada0p1 first partition on ada0 .It Pa cd0 first optical drive +.It Pa cuaU0 +first USB serial port; see +.Xr cu 1 .It Pa da0 first SCSI storage device .It Pa da0s1 first partition on da0 .It Pa dri/ -GPU character device node; see +GPU character device nodes; see .Xr drm 7 .It Pa drm/ GPU .Xr drm 7 special files .It Pa fd/ file descriptor files; see .Xr fd 4 .It Pa fd0 first floppy drive .It Pa mmcsd0 first SD storage device .It Pa mmcsd0s1 first partition on mmcsd0 .It Pa nda0 first NVMe storage device attached via .Xr cam 3 .It Pa null infinite loop that accepts anything and contains nothing .It Pa nvd0 first NVMe storage device using NVMe namespaces .It Pa pts/ -pseduo-terminals +pseduo-terminals; see +.Xr pts 4 .It Pa random source of weak randomness; see .Xr random 4 .It Pa sa0 first tape drive .It Pa usb/ USB busses +.It Pa vmm/ +active +.Xr bhyve 8 +virtual machines +.It Pa zvol/ +.Xr zfs 8 +volumes .El .It Pa /entropy provides initial state to RNG; see .Xr save-entropy 8 .It Pa /etc/ -system wide configuration files and scripts +base system configuration files and scripts; see +.Xr intro 5 .Pp .Bl -tag -width "freebsd-update.conf" -compact .It Pa auto_master autofs .Xr automount 8 configuration .It Pa bluetooth/ bluetooth configuration files .It Pa cron.d/ tables for driving scheduled tasks; see .Xr crontab 5 .It Pa crontab root's cron table .It Pa defaults/ default system configuration files; see .Xr rc 8 .It Pa devd/ configuration for .Xr devd 8 , the device state change daemon .It Pa devfs.conf boot time device configuration .It Pa dma/ configuration for .Xr dma 8 .It Pa freebsd-update.conf -configuration for the base system updater +configuration for the base system updater; see .Xr freebsd-update 8 .It Pa fstab static filesystem configuration; see .Xr fstab 5 .It Pa hosts database of local hosts if no network name server is running .It Pa inetd.conf configuration for .Bx heritage internet servers; see .Xr inetd 8 .It Pa localtime local timezone information; see .Xr ctime 3 .It Pa jail.conf.d/ .Xr jail 8 -startup scripts. +startup scripts .It Pa login.conf login class capability database; see .Xr login.conf 5 .It Pa machine-id defines the UUID for the local system, required for dbus .It Pa mail/ .Xr sendmail 8 control files .Pp .Bl -tag -width "mailer.conf" -compact .It Pa aliases addresses to deliver system mail .It Pa mailer.conf .Xr mailwrapper 8 configuration .El .Pp .It Pa motd.template message displayed upon tty login; see .Xr motd 5 .It Pa mtree/ system mapper specification; see .Xr mtree 8 .It Pa newsyslog.conf.d/ log rotation configuration files. .It Pa ntp/ stored time for the Network Time Protocol .It Pa ntp.conf configuration for the NTP client, .Xr ntpd 8 .It Pa pam.d/ configuration files for the Pluggable Authentication Modules (PAM) library; see .Xr pam 3 .It Pa periodic/ scripts that are run daily, weekly, or monthly by .Xr cron 8 ; see .Xr periodic 8 .It Pa pf.conf configuration for the Packet Filter firewall; see .Xr pf 4 .It Pa pkg/ default configuration for the package manager, .Xr pkg 8 .It Pa ppp/ PPP configuration files; see .Xr ppp 8 .It Pa rc.conf system and daemon configuration; see .Xr rc.conf 5 .It Pa rc.d/ system and daemon startup/control scripts; see .Xr rc 8 .It Pa resolv.conf DNS configuration; see .Xr resolv.conf 5 .It Pa resolvconf.conf DNS configuration manager configuration, often generated by local-unbound; see -.Xr local_unbound 8 +.Xr local-unbound 8 or .Xr resolvconf 8 .It Pa security/ OpenBSM audit configuration files; see .Xr audit 8 .It Pa ssh/ OpenSSH configuration files; see .Xr ssh 1 .It Pa ssl/ OpenSSL configuration files .It Pa sysctl.conf kernel state defaults; see .Xr sysctl.conf 5 .It Pa syslog.conf system log configuration .It Pa ttys tty creation configuration; see .Xr getty 8 .It Pa wpa_supplicant.conf client wifi configuration; see .Xr wpa_supplicant.conf 5 .El .It Pa /home/ home directories for users; the typical home for an interactive user -.Dv beastie +.Va beastie would be .Pa /home/beastie/ .It Pa /lib/ -system libraries that are critical to binaries in +system libraries critical to binaries in .Pa /bin and .Pa /sbin .Pp .Bl -tag -width "nvmecontrol/" -compact .It Pa geom/ class-specific libraries for the .Xr geom 8 utility .It Pa nvmecontrol/ vendor-specific libraries to extend the .Xr nvmecontrol 8 utility .El .It Pa /libexec/ -system utilities that are critical to binaries in +system utilities critical to binaries in .Pa /bin and .Pa /sbin .It Pa /media/ mount points for removable storage media such as CDs, DVDs, and USB drives; see -.Xr automount 8 +.Xr automount 8 , or .Xr bsdisks 8 +if a using a desktop environment from +.Xr ports 7 .It Pa /mnt/ empty directory commonly used by system administrators as a temporary mount point .It Pa /net/ automounted NFS shares; see .Xr auto_master 5 .It Pa /nonexistent/ a non-existent directory; -by convention, it serves as a home directory -for special user accounts +by convention, it serves as a home directory for user accounts that need no home directory; see also .Pa /var/empty/ .It Pa /proc/ process file system; see .Xr procfs 5 .It Pa /rescue/ statically linked programs for emergency recovery; see .Xr rescue 8 .It Pa /root/ home directory of the root user .It Pa /sbin/ -system programs and administration utilities -fundamental to both single and multi-user modes +fundamental +.Bx +system administration utilities; see +.Xr intro 8 .It Pa /tmp/ -temporary files that may be removed by -.Xr rc 8 ; -see the +temporary files commonly removed between system reboots; +see .Va clear_tmp_enable -variable of +in .Xr rc.conf 5 .It Pa /usr/ contains the majority of user utilities and applications .Pp .Bl -tag -width "freebsd-dist/" -compact .It Pa bin/ -common utilities, programming tools, and applications +common utilities, programming tools, and applications; see +.Xr intro 1 .It Pa freebsd-dist/ distribution files -.Pq like base.txz ; see +.Pq like base.txz ; +see .Xr release 7 and .Xr bsdinstall 8 .It Pa include/ standard C include header files .It Pa lib/ -shared and archive +shared and .Xr ar 1 Ns -type -libraries +libraries; see +.Xr intro 3 .Pp .Bl -tag -width Fl -compact .It Pa clang/ shared libraries for the system compiler, .Xr clang 1 .It Pa compat/ shared libraries for compatibility .It Pa debug/ standalone debug data for the kernel and base system libraries and binaries .It Pa dtrace/ -DTrace library scripts +.Xr dtrace 1 +library scripts .It Pa engines/ OpenSSL .Pq Cryptography/SSL toolkit dynamically loadable engines .It Pa flua/ .Fx Lua shared libraries .It Pa i18n/ shared libraries for internationalization .El .Pp .It Pa lib32/ -32-bit comparability libraries +32-bit compatibility libraries .It Pa libdata/ miscellaneous utility data files .Pp .Bl -tag -width Fl -compact .It Pa ldscripts/ linker scripts; see .Xr ld 1 .It Pa pkgconfig/ collections of compiler and linker flags for the .Xr pkgconf 1 development tool .El +.Pp .It Pa libexec/ -system daemons and utilities that are executed by other programs +system daemons and utilities executed by programs .Pp .Bl -tag -width "bsdinstall/" -compact .It Pa bsdconfig/ utilities called by the ncurses .Fx configuration wizard .It Pa bsdinstall/ utilities for .Xr bsdinstall 8 .It Pa dwatch/ profiles for .Xr dwatch 1 .It Pa fwget/ utilities called by .Xr fwget 8 .It Pa hyperv/ -??? +scripts for communicating with the Hyper-V hypervisor .It Pa lpr/ utilities and filters for the line printer system; see .Xr lpr 1 .It Pa sendmail/ the .Xr sendmail 8 binary; see .Xr mailwrapper 8 .It Pa sm.bin/ restricted shell for .Xr sendmail 8 ; see .Xr smrsh 8 .It Pa zfs/ Z file system utilities .El .Pp .It Pa local/ -default destination for local executables, libraries, etc, installed by +local executables, libraries, etc, installed by .Xr pkg 7 or .Xr ports 7 .Pp -within -.Pa local/ , -the general layout sketched out by -.Nm -for -.Pa /usr -should be used ; exceptions are the ports documentation -.Po in -.Pa share/doc// Ns Pc , -and -.Pa /usr/local/etc -.Po mimics -.Pa /etc Ns Pc -.Pp .Bl -tag -width Fl -compact +.It Pa bin/ +local user utilities, see +.Xr intro 1 +.It Pa etc/ +local program configurations +.It Pa include/ +local library headers +.It Pa lib/ +local libraries +.It Pa lib32/ +local 32-bit compatability libraries +.It Pa libdata/ +local utility data files +.It Pa libexec/ +utilities executed by local utilities +.It Pa man/ +local manual pages; see +.Xr man 1 +.It Pa sbin/ +local administration utilities +.It Pa share/ +local architecture-independent files +.It Pa share/doc/ +local documentation .It Pa share/doc/freebsd/ articles, books, FAQ, and handbooks available from the .Fx project .El .Pp .It Pa obj/ architecture-specific target tree produced by building .Fx from source; see .Xr build 7 .It Pa ports/ .Fx ports collection; see .Xr ports 7 .It Pa sbin/ -system daemons and utilities meant for user execution +system daemons and utilities meant for user execution; see +.Xr intro 8 .It Pa share/ architecture-independent files .Pp .Bl -tag -width Fl -compact +.It Pa atf/ +scripts for the Automated Testing Framework; see +.Xr ATF 7 +.It Pa bhyve/ +.Xr bhyve 8 +keyboard mappings .It Pa calendar/ -a variety of pre-fab calendar files; see +system-wide calendar files; see .Xr calendar 1 .It Pa certs/ TLS certificates for .Xr openssl 1 .It Pa dict/ word lists; see .Xr look 1 .Pp .Bl -tag -width Fl -compact .It Pa freebsd .Fx Ns -specific terms, proper names, and jargon .It Pa web2 words from Webster's Second International .El .Pp .It Pa doc/ miscellaneous documentation .It Pa dtrace/ scripts for the Dynamic Tracing Compiler; see .Xr dtrace 1 .It Pa examples/ various examples for users and programmers .It Pa firmware/ firmware images loaded by userland programs .It Pa games/ ASCII text files used by .Bx -heritage games +heritage games, see +.Xr intro 6 .It Pa keys/ known trusted and revoked keys .Pp .Bl -tag -width Fl -compact .It Pa pkg/ fingerprints for .Xr pkg 7 and .Xr pkg 8 .El .Pp .It Pa locale/ localization files; see .Xr setlocale 3 .It Pa man/ -system manual pages +system manual pages; see +.Xr man 1 .It Pa misc/ -miscellaneous system-wide ASCII text files +miscellaneous system-wide files .Pp .Bl -tag -width Fl -compact .It Pa ascii chart of the ASCII codepoints .It Pa flowers the meanings of flowers .It Pa magic magic numbers used by .Xr file 1 .It Pa termcap terminal characteristics database; see .Xr termcap 5 .El .Pp .It Pa mk/ templates for make; see .Xr make 1 .It Pa nls/ national language support files .It Pa security/ data files for security policies such as .Xr mac_lomac 4 .It Pa sendmail/ .Xr sendmail 8 configuration files .It Pa skel/ example .Pa .\& (dot) files for new accounts .It Pa snmp/ MIBs, example files and tree definitions for the SNMP daemon .Pp .Bl -tag -width Fl -compact .It Pa defs/ tree definition files for use with .Xr gensnmptree 1 .It Pa mibs/ management Information Base .Pq MIB files .El .Pp .It Pa syscons/ .Xr syscons 4 files .Pp .Bl -tag -width Fl -compact .It Pa fonts/ console fonts; see .Xr vidcontrol 1 and .Xr vidfont 1 .It Pa keymaps/ console keyboard maps; see .Xr kbdcontrol 1 and .Xr kbdmap 1 .It Pa scrnmaps/ console screen maps .El .Pp .It Pa sysroot/ files necessary for the -sysroot compiler/linker argument to build non-native binaries .Pp -.Bl -tag -width Fl -compact +.Bl -tag -width "VERSION/" -compact .It Pa VERSION/ files for .Fx release VERSION; by convention, .Dq VERSION matches .Xr uname 1 .Fl r -.Pp -.Bl -tag -width Fl -compact -.It Pa MACHINE.MACHINE_ARCH/ +.It Pa VERSION/MACHINE.MACHINE_ARCH/ represent the binary ABI for these files; .Dq MACHINE matches .Xr uname 1 .Fl m ; .Dq MACHINE_ARCH matches .Xr uname 1 .Fl p .El -.El .Pp .It Pa tabset/ tab description files for a variety of terminals; used in the termcap file; see .Xr termcap 5 .It Pa vi/ -localization support and utilities for +localization support and utilities for the .Xr vi 1 +editor .It Pa vt/ files used by the system console; see .Xr vt 4 .Pp .Bl -tag -width Fl -compact .It Pa fonts/ console fonts; see .Xr vidcontrol 1 , .Xr vidfont 1 , and .Xr vtfontcvt 8 .It Pa keymaps/ console keyboard maps; see .Xr kbdcontrol 1 and .Xr kbdmap 1 .El .Pp .It Pa zoneinfo/ timezone configuration information; see .Xr tzfile 5 .El .Pp .It Pa src/ .Fx source code; see .Xr development 7 ; the layout of the source tree is described by the top-level .Pa README.md file .Pp .It Pa tests/ the .Fx test suite; see .Xr tests 7 .El .It Pa /var/ log, temporary, transient, and spool files .Pp .Bl -tag -width "preserve/" -compact .It Pa account/ system accounting files .Pp .Bl -tag -width Ds -compact .It Pa acct execution accounting file; see .Xr acct 5 .El .Pp .It Pa at/ timed command scheduling files; see .Xr at 1 .Pp .Bl -tag -width Ds -compact .It Pa jobs/ job files .It Pa spool/ output spool files .El .Pp .It Pa audit/ security event audit trail files; see .Xr audit 8 .It Pa authpf/ user shell sessions for authenticating gateways; see .Xr authpf 8 .It Pa backups/ critical system configuration backups .It Pa cache/ miscellaneous cache files .Pp .Bl -tag -width Ds -compact .It Pa pkg/ cached packages for .Xr pkg 8 .It Pa cups/ cached printers for the Common Unix Prinitng system; see .Xr cups 1 .El .Pp .It Pa crash/ default directory to store kernel crash dumps; see .Xr crash 8 and .Xr savecore 8 .It Pa cron/ files used by cron; see .Xr cron 8 .Pp .Bl -tag -width Ds -compact .It Pa tabs/ crontab files; see .Xr crontab 5 .El .Pp .It Pa db/ -miscellaneous automatically-generated system-specific database files +autogenerated system-specific database files .Pp .Bl -tag -width "freebsd-update/" -compact .It Pa etcupdate/ temporary files and log for .Xr etcupdate 8 .It Pa freebsd-update/ downloads and temporary files for .Xr freebsd-update 8 .It Pa pkg/ package database .El .Pp .It Pa empty/ for use by programs that require an empty directory, used for instance by .Xr sshd 8 for privilege separation .It Pa games/ -miscellaneous game status and score files for +status and score files for .Bx heritage games .It Pa heimdal/ Kerberos server databases; see .Xr kdc 8 .It Pa lib/ -holds state information for applications ported from linux +state information for ported Linux applications .It Pa log/ system log files .Pp .Bl -tag -width "bsdinstall_log" -compact .It Pa Xorg.0.log .Xr Xserver 1 log, if .Xr X 7 -is installed -rotates to +is installed rotates to .Pa Xorg.0.log.old .It Pa aculog serial line access log; see .Xr cu 1 .It Pa auth.log system authentication log .It Pa bsdinstall_log system installation log -.It Pa bsdisks.log -FreeDesktop.org automounter log, if a desktop environment is using -.Xr bsdisks 8 , -from -.Xr ports 7 .It Pa cron scheduled task log; see .Xr cron 8 .It Pa cups/ logs for .Xr cups 1 .It Pa daemon.log default log for system daemons .It Pa devd.log default log for device state change daemon .It Pa dmesg.today -system message buffer log -Rotates to +system message buffer log, rotates to .Pa dmesg.yesterday .It Pa debug.log -??? +undiscarded debug syslog messages .It Pa lpd-errs -logs for the line printer daemon; see +logs for the line printer spooler daemon; see .Xr lpd 8 .It Pa maillog .Xr sendmail 8 log, rotates and compresses to maillog.0.bz2 .It Pa messages general system log; see -.Xr syslog 3 +.Xr syslogd 8 .It Pa mount.today currently loaded .Xr fstab 5 , rotates to .Pa mount.yesterday .It Pa pf.today packet filter firewall log; see .Xr pf 4 .It Pa pflog saved packets caught by .Xr pflogd 8 .It Pa ppp.log see .Xr ppp 8 .It Pa security transcript of events marked with the security flag .It Pa setuid.today listing of executable files which run with elevated permissions, rotates to .Pa setuid.yesterday .It Pa userlog logs changes in users or groups .It Pa utx.lastlogin last login log; see .Xr getutxent 3 .It Pa utx.log login/logout log; see .Xr getutxent 3 .It Pa xferlog default log for .Xr ftpd 8 .El .Pp .It Pa mail/ user mailbox files .It Pa msgs/ system messages database; see .Xr msgs 1 .It Pa preserve/ unused, present for historical reasons .It Pa quotas/ UFS quota information files .It Pa run/ files containing information about the operating system since it was booted .Pp .Bl -tag -width "wpa_supplicant/" -compact .It Pa bhyve/ .Xr bhyve 8 virtual machine .Xr unix 4 Ns -domain sockets .It Pa ppp/ writable by the .Dq network group for command connection sockets; see .Xr ppp 8 .It Pa utx.active database of current users; see .Xr getutxent 3 .It Pa wpa_supplicant/ IEEE Std. 802.11 wifi run time files .El .Pp .It Pa rwho/ information about other systems on the local network; see .Xr rwhod 8 , .Xr rwho 1 , and .Xr ruptime 1 .It Pa spool/ -miscellaneous printer and mail system spooling directories +printer and mail system spooling directories .Pp .Bl -tag -width "clientmqueue/" -compact .It Pa clientmqueue/ undelivered submission mail queue; see .Xr sendmail 8 .It Pa cups/ print jobs and temporary files for .Xr cups 1 .It Pa dma/ undelivered mail queue for .Dx Mail Agent; see .Xr dma 8 .It Pa lock/ -??? +serial device locks; see +.Xr uucplock 3 +.It Pa lpd/ +line printer spooler daemon spool .It Pa ftp/ ftp root directory; see .Xr ftpd 8 .It Pa mqueue/ undelivered mail queue for .Xr sendmail 8 .It Pa output/ line printer spooling directories .El .Pp .It Pa tmp/ -temporary files that are not removed between system reboots by -.Xr rc 8 +temporary files not removed between system reboots .Pp .Bl -tag -width "vi.recover/" -compact .It Pa vi.recover/ recovery files for the .Xr vi 1 editor .El .Pp .It Pa unbound/ files and configuration for .Xr unbound 8 .It Pa yp/ the NIS maps; see .Xr yp 8 .El .El .Sh NOTES This manual page documents the default .Fx file system layout. The actual hierarchy on a given system is defined at the system administrator's discretion. A well-maintained installation will include a customized version of this document. .Sh SEE ALSO .Xr apropos 1 , .Xr find 1 , .Xr grep 1 , .Xr ls 1 , .Xr whereis 1 , .Xr which 1 .Sh HISTORY A .Nm manual page first appeared in 1979 with .At v7 .