1.\"- 2.\" SPDX-License-Identifier: BSD-3-Clause 3.\" 4.\" Copyright (c) 1990, 1993 5.\" The Regents of the University of California. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. Neither the name of the University nor the names of its contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.Dd April 18, 2024 32.Dt HIER 7 33.Os 34.Sh NAME 35.Nm hier 36.Nd index of 37.Fx 38file system hierarchy 39.Sh DESCRIPTION 40.Bl -tag -width "/libexec/" 41.It Pa / 42root directory of the file system 43.It Pa /COPYRIGHT 44.Fx 45copyright information 46.It Pa /bin/ 47fundamental 48.Bx 49user utilities; see 50.Xr intro 1 51.It Pa /boot/ 52programs and configurations used during 53.Fx 54.Xr boot 8 55.Pp 56.Bl -tag -width "loader.conf.d/" -compact 57.It Pa defaults/ 58default boot configuration files; see 59.Xr loader.conf 5 60.It Pa device.hints 61kernel variables for controlling drivers; see 62.Xr device.hints 5 63.It Pa dtb/ 64compiled flattened device tree (FDT) files; see 65.Xr fdt 4 66and 67.Xr dtc 1 68.Pp 69.Bl -tag -width "overlays/" -compact 70.It Pa overlays/ 71compiled 72.Xr fdt 4 73overlays; see 74.Va fdt_overlays 75in 76.Xr loader.conf 5 77.El 78.Pp 79.It Pa efi/ 80the 81.Xr uefi 8 82EFI System Partition (ESP) mount point 83.It Pa firmware/ 84loadable binary firmware kernel modules 85.It Pa fonts/ 86binary bitmap console fonts; see 87.Xr loader.conf 5 88and 89.Xr vtfontcvt 8 90.It Pa images/ 91beastie boot menu images; see 92.Xr loader_lua 8 93.It Pa kernel/ 94.Fx 95kernel and modules; see 96.Xr kldstat 8 97.It Pa kernel.old/ 98alternative kernel and modules 99.It Pa loader.conf 100boot loader configuration; see 101.Xr loader.conf 5 102.It Pa loader.conf.d/ 103.Xr loader.conf 5 104configuration files 105.It Pa lua/ 106scripts for the Lua boot loader; see 107.Xr loader_lua 8 108.It Pa modules/ 109third-party loadable kernel modules, such as those installed with 110.Xr pkg 8 111or from 112.Xr ports 7 113.It Pa zfs/ 114ZFS 115.Xr zpool 8 116cache files 117.El 118.It Pa /compat/ 119files supporting binary compatibility with other operating systems 120.Pp 121.Bl -tag -width "loader.conf.d" -compact 122.It Pa linux/ 123default location for 124.Xr linux 4 125compatibility run-time 126.El 127.It Pa /dev/ 128device nodes and special files; see 129.Xr intro 4 130and 131.Xr devfs 4 132.Pp 133.Bl -tag -width "loader.conf.d" -compact 134.It Pa ada0 135first ATA storage device 136.It Pa ada0p1 137first partition on ada0 138.It Pa cd0 139first optical drive 140.It Pa cuaU0 141first USB serial port; see 142.Xr cu 1 143.It Pa da0 144first SCSI storage device 145.It Pa da0s1 146first partition on da0 147.It Pa dri/ 148GPU character device nodes; see 149.Xr drm 7 150.It Pa drm/ 151GPU 152.Xr drm 7 153special files 154.It Pa fd/ 155file descriptor files; see 156.Xr fd 4 157.It Pa fd0 158first floppy drive 159.It Pa mmcsd0 160first SD storage device 161.It Pa mmcsd0s1 162first partition on mmcsd0 163.It Pa nda0 164first NVMe storage device attached via 165.Xr cam 3 166.It Pa null 167infinite loop that accepts anything and contains nothing 168.It Pa nvd0 169first NVMe storage device using NVMe namespaces 170.It Pa pts/ 171pseduo-terminals; see 172.Xr pts 4 173.It Pa random 174source of weak randomness; see 175.Xr random 4 176.It Pa sa0 177first tape drive 178.It Pa usb/ 179USB busses 180.It Pa vmm/ 181active 182.Xr bhyve 8 183virtual machines 184.It Pa zvol/ 185.Xr zfs 8 186volumes 187.El 188.It Pa /entropy 189provides initial state to RNG; see 190.Xr save-entropy 8 191.It Pa /etc/ 192base system configuration files and scripts; see 193.Xr intro 5 194.Pp 195.Bl -tag -width "freebsd-update.conf" -compact 196.It Pa auto_master 197autofs 198.Xr automount 8 199configuration 200.It Pa bluetooth/ 201bluetooth configuration files 202.It Pa cron.d/ 203tables for driving scheduled tasks; see 204.Xr crontab 5 205.It Pa crontab 206root's cron table 207.It Pa defaults/ 208default system configuration files; see 209.Xr rc 8 210.It Pa devd/ 211configuration for 212.Xr devd 8 , 213the device state change daemon 214.It Pa devfs.conf 215boot time device configuration 216.It Pa dma/ 217configuration for 218.Xr dma 8 219.It Pa freebsd-update.conf 220configuration for the base system updater; see 221.Xr freebsd-update 8 222.It Pa fstab 223static filesystem configuration; see 224.Xr fstab 5 225.It Pa hosts 226database of local hosts if no network name server is running 227.It Pa inetd.conf 228configuration for 229.Bx 230heritage internet servers; see 231.Xr inetd 8 232.It Pa localtime 233local timezone information; see 234.Xr ctime 3 235.It Pa jail.conf.d/ 236.Xr jail 8 237startup scripts 238.It Pa login.conf 239login class capability database; see 240.Xr login.conf 5 241.It Pa machine-id 242defines the UUID for the local system, required for dbus 243.It Pa mail/ 244.Xr sendmail 8 245control files 246.Pp 247.Bl -tag -width "mailer.conf" -compact 248.It Pa aliases 249addresses to deliver system mail 250.It Pa mailer.conf 251.Xr mailwrapper 8 252configuration 253.El 254.Pp 255.It Pa motd.template 256message displayed upon tty login; see 257.Xr motd 5 258.It Pa mtree/ 259system mapper specification; see 260.Xr mtree 8 261.It Pa newsyslog.conf.d/ 262log rotation configuration files. 263.It Pa ntp/ 264stored time for the Network Time Protocol 265.It Pa ntp.conf 266configuration for the NTP client, 267.Xr ntpd 8 268.It Pa pam.d/ 269configuration files for the Pluggable Authentication Modules (PAM) library; 270see 271.Xr pam 3 272.It Pa periodic/ 273scripts that are run daily, weekly, or monthly by 274.Xr cron 8 ; 275see 276.Xr periodic 8 277.It Pa pf.conf 278configuration for the Packet Filter firewall; see 279.Xr pf 4 280.It Pa pkg/ 281default configuration for the package manager, 282.Xr pkg 8 283.It Pa ppp/ 284PPP configuration files; see 285.Xr ppp 8 286.It Pa rc.conf 287system and daemon configuration; see 288.Xr rc.conf 5 289.It Pa rc.d/ 290system and daemon startup/control scripts; see 291.Xr rc 8 292.It Pa resolv.conf 293DNS configuration; see 294.Xr resolv.conf 5 295.It Pa resolvconf.conf 296DNS configuration manager configuration, often generated by 297local-unbound; see 298.Xr local-unbound 8 299or 300.Xr resolvconf 8 301.It Pa security/ 302OpenBSM audit configuration files; see 303.Xr audit 8 304.It Pa ssh/ 305OpenSSH configuration files; see 306.Xr ssh 1 307.It Pa ssl/ 308OpenSSL configuration files 309.It Pa sysctl.conf 310kernel state defaults; see 311.Xr sysctl.conf 5 312.It Pa syslog.conf 313system log configuration 314.It Pa ttys 315tty creation configuration; see 316.Xr getty 8 317.It Pa wpa_supplicant.conf 318client wifi configuration; see 319.Xr wpa_supplicant.conf 5 320.El 321.It Pa /home/ 322home directories for users; the typical home for an interactive user 323.Va beastie 324would be 325.Pa /home/beastie/ 326.It Pa /lib/ 327system libraries critical to binaries in 328.Pa /bin 329and 330.Pa /sbin 331.Pp 332.Bl -tag -width "nvmecontrol/" -compact 333.It Pa geom/ 334class-specific libraries for the 335.Xr geom 8 336utility 337.It Pa nvmecontrol/ 338vendor-specific libraries to extend the 339.Xr nvmecontrol 8 340utility 341.El 342.It Pa /libexec/ 343system utilities critical to binaries in 344.Pa /bin 345and 346.Pa /sbin 347.It Pa /media/ 348mount points for removable storage media such as CDs, DVDs, 349and USB drives; see 350.Xr automount 8 , 351or 352.Xr bsdisks 8 353if a using a desktop environment from 354.Xr ports 7 355.It Pa /mnt/ 356empty directory commonly used by 357system administrators as a temporary mount point 358.It Pa /net/ 359automounted NFS shares; see 360.Xr auto_master 5 361.It Pa /nonexistent/ 362a non-existent directory; 363by convention, it serves as a home directory for user accounts 364that need no home directory; see also 365.Pa /var/empty/ 366.It Pa /proc/ 367process file system; see 368.Xr procfs 4 369.It Pa /rescue/ 370statically linked programs for emergency recovery; see 371.Xr rescue 8 372.It Pa /root/ 373home directory of the root user 374.It Pa /sbin/ 375fundamental 376.Bx 377system administration utilities; see 378.Xr intro 8 379.It Pa /tmp/ 380temporary files commonly removed between system reboots; 381see 382.Va clear_tmp_enable 383in 384.Xr rc.conf 5 385.It Pa /usr/ 386contains the majority of user utilities and applications 387.Pp 388.Bl -tag -width "freebsd-dist/" -compact 389.It Pa bin/ 390common utilities, programming tools, and applications; see 391.Xr intro 1 392.It Pa freebsd-dist/ 393distribution files 394.Pq like base.txz ; 395see 396.Xr release 7 397and 398.Xr bsdinstall 8 399.It Pa include/ 400standard C include header files 401.It Pa lib/ 402shared and 403.Xr ar 1 Ns -type 404libraries; see 405.Xr intro 3 406.Pp 407.Bl -tag -width Fl -compact 408.It Pa clang/ 409shared libraries for the system compiler, 410.Xr clang 1 411.It Pa compat/ 412shared libraries for compatibility 413.It Pa debug/ 414standalone debug data for the kernel and base system libraries and binaries 415.It Pa dtrace/ 416.Xr dtrace 1 417library scripts 418.It Pa engines/ 419OpenSSL 420.Pq Cryptography/SSL toolkit 421dynamically loadable engines 422.It Pa flua/ 423.Fx 424Lua shared libraries 425.It Pa i18n/ 426shared libraries for internationalization 427.El 428.Pp 429.It Pa lib32/ 43032-bit compatibility libraries 431.It Pa libdata/ 432miscellaneous utility data files 433.Pp 434.Bl -tag -width Fl -compact 435.It Pa ldscripts/ 436linker scripts; see 437.Xr ld 1 438.It Pa pkgconfig/ 439collections of compiler and linker flags for the 440.Xr pkgconf 1 441development tool 442.El 443.Pp 444.It Pa libexec/ 445system daemons and utilities executed by programs 446.Pp 447.Bl -tag -width "bsdinstall/" -compact 448.It Pa bsdconfig/ 449utilities called by the ncurses 450.Fx 451configuration wizard 452.It Pa bsdinstall/ 453utilities for 454.Xr bsdinstall 8 455.It Pa dwatch/ 456profiles for 457.Xr dwatch 1 458.It Pa fwget/ 459utilities called by 460.Xr fwget 8 461.It Pa hyperv/ 462scripts for communicating with the Hyper-V hypervisor 463.It Pa lpr/ 464utilities and filters for the line printer system; see 465.Xr lpr 1 466.It Pa sendmail/ 467the 468.Xr sendmail 8 469binary; see 470.Xr mailwrapper 8 471.It Pa sm.bin/ 472restricted shell for 473.Xr sendmail 8 ; 474see 475.Xr smrsh 8 476.It Pa zfs/ 477Z file system utilities 478.El 479.Pp 480.It Pa local/ 481local executables, libraries, etc, installed by 482.Xr pkg 7 483or 484.Xr ports 7 485.Pp 486.Bl -tag -width Fl -compact 487.It Pa bin/ 488local user utilities, see 489.Xr intro 1 490.It Pa etc/ 491local program configurations 492.It Pa include/ 493local library headers 494.It Pa lib/ 495local libraries 496.It Pa lib32/ 497local 32-bit compatability libraries 498.It Pa libdata/ 499local utility data files 500.It Pa libexec/ 501utilities executed by local utilities 502.It Pa man/ 503local manual pages; see 504.Xr man 1 505.It Pa sbin/ 506local administration utilities 507.It Pa share/ 508local architecture-independent files 509.It Pa share/doc/ 510local documentation 511.It Pa share/doc/freebsd/ 512articles, books, FAQ, and handbooks available from the 513.Fx 514project 515.El 516.Pp 517.It Pa obj/ 518architecture-specific target tree produced by building 519.Fx 520from source; see 521.Xr build 7 522.It Pa ports/ 523.Fx 524ports collection; see 525.Xr ports 7 526.It Pa sbin/ 527system daemons and utilities meant for user execution; see 528.Xr intro 8 529.It Pa share/ 530architecture-independent files 531.Pp 532.Bl -tag -width Fl -compact 533.It Pa atf/ 534scripts for the Automated Testing Framework; see 535.Xr ATF 7 536.It Pa bhyve/ 537.Xr bhyve 8 538keyboard mappings 539.It Pa calendar/ 540system-wide calendar files; see 541.Xr calendar 1 542.It Pa certs/ 543TLS certificates for 544.Xr openssl 1 545.It Pa dict/ 546word lists; see 547.Xr look 1 548.Pp 549.Bl -tag -width Fl -compact 550.It Pa freebsd 551.Fx Ns -specific 552terms, proper names, and jargon 553.It Pa web2 554words from Webster's Second International 555.El 556.Pp 557.It Pa doc/ 558miscellaneous documentation 559.It Pa dtrace/ 560scripts for the Dynamic Tracing Compiler; see 561.Xr dtrace 1 562.It Pa examples/ 563various examples for users and programmers 564.It Pa firmware/ 565firmware images loaded by userland programs 566.It Pa games/ 567ASCII text files used by 568.Bx 569heritage games, see 570.Xr intro 6 571.It Pa keys/ 572known trusted and revoked keys 573.Pp 574.Bl -tag -width Fl -compact 575.It Pa pkg/ 576fingerprints for 577.Xr pkg 7 578and 579.Xr pkg 8 580.El 581.Pp 582.It Pa locale/ 583localization files; see 584.Xr setlocale 3 585.It Pa man/ 586system manual pages; see 587.Xr man 1 588.It Pa misc/ 589miscellaneous system-wide files 590.Pp 591.Bl -tag -width Fl -compact 592.It Pa ascii 593chart of the ASCII codepoints 594.It Pa flowers 595the meanings of flowers 596.It Pa magic 597magic numbers used by 598.Xr file 1 599.It Pa termcap 600terminal characteristics database; see 601.Xr termcap 5 602.El 603.Pp 604.It Pa mk/ 605templates for make; see 606.Xr make 1 607.It Pa nls/ 608national language support files 609.It Pa security/ 610data files for security policies such as 611.Xr mac_lomac 4 612.It Pa sendmail/ 613.Xr sendmail 8 614configuration files 615.It Pa skel/ 616example 617.Pa .\& 618(dot) files for new accounts 619.It Pa snmp/ 620MIBs, example files and tree definitions for the SNMP daemon 621.Pp 622.Bl -tag -width Fl -compact 623.It Pa defs/ 624tree definition files for use with 625.Xr gensnmptree 1 626.It Pa mibs/ 627management Information Base 628.Pq MIB 629files 630.El 631.Pp 632.It Pa syscons/ 633.Xr syscons 4 634files 635.Pp 636.Bl -tag -width Fl -compact 637.It Pa fonts/ 638console fonts; see 639.Xr vidcontrol 1 640and 641.Xr vidfont 1 642.It Pa keymaps/ 643console keyboard maps; see 644.Xr kbdcontrol 1 645and 646.Xr kbdmap 1 647.It Pa scrnmaps/ 648console screen maps 649.El 650.Pp 651.It Pa sysroot/ 652files necessary for the -sysroot compiler/linker argument to build non-native 653binaries 654.Pp 655.Bl -tag -width "VERSION/" -compact 656.It Pa VERSION/ 657files for 658.Fx 659release VERSION; 660by convention, 661.Dq VERSION 662matches 663.Xr uname 1 664.Fl r 665.It Pa VERSION/MACHINE.MACHINE_ARCH/ 666represent the binary ABI for these files; 667.Dq MACHINE 668matches 669.Xr uname 1 670.Fl m ; 671.Dq MACHINE_ARCH 672matches 673.Xr uname 1 674.Fl p 675.El 676.Pp 677.It Pa tabset/ 678tab description files for a variety of terminals; used in 679the termcap file; see 680.Xr termcap 5 681.It Pa vi/ 682localization support and utilities for the 683.Xr vi 1 684editor 685.It Pa vt/ 686files used by the system console; see 687.Xr vt 4 688.Pp 689.Bl -tag -width Fl -compact 690.It Pa fonts/ 691console fonts; see 692.Xr vidcontrol 1 , 693.Xr vidfont 1 , 694and 695.Xr vtfontcvt 8 696.It Pa keymaps/ 697console keyboard maps; see 698.Xr kbdcontrol 1 699and 700.Xr kbdmap 1 701.El 702.Pp 703.It Pa zoneinfo/ 704timezone configuration information; see 705.Xr tzfile 5 706.El 707.Pp 708.It Pa src/ 709.Fx 710source code; see 711.Xr development 7 ; 712the layout of the source tree is described by the top-level 713.Pa README.md 714file 715.Pp 716.It Pa tests/ 717the 718.Fx 719test suite; see 720.Xr tests 7 721.El 722.It Pa /var/ 723log, temporary, transient, and spool files 724.Pp 725.Bl -tag -width "preserve/" -compact 726.It Pa account/ 727system accounting files 728.Pp 729.Bl -tag -width Ds -compact 730.It Pa acct 731execution accounting file; see 732.Xr acct 5 733.El 734.Pp 735.It Pa at/ 736timed command scheduling files; see 737.Xr at 1 738.Pp 739.Bl -tag -width Ds -compact 740.It Pa jobs/ 741job files 742.It Pa spool/ 743output spool files 744.El 745.Pp 746.It Pa audit/ 747security event audit trail files; see 748.Xr audit 8 749.It Pa authpf/ 750user shell sessions for authenticating gateways; see 751.Xr authpf 8 752.It Pa backups/ 753critical system configuration backups 754.It Pa cache/ 755miscellaneous cache files 756.Pp 757.Bl -tag -width Ds -compact 758.It Pa pkg/ 759cached packages for 760.Xr pkg 8 761.It Pa cups/ 762cached printers for the Common Unix Prinitng system; see 763.Xr cups 1 764.El 765.Pp 766.It Pa crash/ 767default directory to store kernel crash dumps; see 768.Xr crash 8 769and 770.Xr savecore 8 771.It Pa cron/ 772files used by cron; see 773.Xr cron 8 774.Pp 775.Bl -tag -width Ds -compact 776.It Pa tabs/ 777crontab files; see 778.Xr crontab 5 779.El 780.Pp 781.It Pa db/ 782autogenerated system-specific database files 783.Pp 784.Bl -tag -width "freebsd-update/" -compact 785.It Pa etcupdate/ 786temporary files and log for 787.Xr etcupdate 8 788.It Pa freebsd-update/ 789downloads and temporary files for 790.Xr freebsd-update 8 791.It Pa pkg/ 792package database 793.El 794.Pp 795.It Pa empty/ 796for use by programs that require an empty directory, 797used for instance by 798.Xr sshd 8 799for privilege separation 800.It Pa games/ 801status and score files for 802.Bx 803heritage games 804.It Pa heimdal/ 805Kerberos server databases; see 806.Xr kdc 8 807.It Pa lib/ 808state information for ported Linux applications 809.It Pa log/ 810system log files 811.Pp 812.Bl -tag -width "bsdinstall_log" -compact 813.It Pa Xorg.0.log 814.Xr Xserver 1 815log, if 816.Xr X 7 817is installed rotates to 818.Pa Xorg.0.log.old 819.It Pa aculog 820serial line access log; see 821.Xr cu 1 822.It Pa auth.log 823system authentication log 824.It Pa bsdinstall_log 825system installation log 826.It Pa cron 827scheduled task log; see 828.Xr cron 8 829.It Pa cups/ 830logs for 831.Xr cups 1 832.It Pa daemon.log 833default log for system daemons 834.It Pa devd.log 835default log for device state change daemon 836.It Pa dmesg.today 837system message buffer log, rotates to 838.Pa dmesg.yesterday 839.It Pa debug.log 840undiscarded debug syslog messages 841.It Pa lpd-errs 842logs for the line printer spooler daemon; see 843.Xr lpd 8 844.It Pa maillog 845.Xr sendmail 8 846log, rotates and compresses to maillog.0.bz2 847.It Pa messages 848general system log; see 849.Xr syslogd 8 850.It Pa mount.today 851currently loaded 852.Xr fstab 5 , 853rotates to 854.Pa mount.yesterday 855.It Pa pf.today 856packet filter firewall log; see 857.Xr pf 4 858.It Pa pflog 859saved packets caught by 860.Xr pflogd 8 861.It Pa ppp.log 862see 863.Xr ppp 8 864.It Pa security 865transcript of events marked with the security flag 866.It Pa setuid.today 867listing of executable files which run with elevated permissions, rotates 868to 869.Pa setuid.yesterday 870.It Pa userlog 871logs changes in users or groups 872.It Pa utx.lastlogin 873last login log; see 874.Xr getutxent 3 875.It Pa utx.log 876login/logout log; see 877.Xr getutxent 3 878.It Pa xferlog 879default log for 880.Xr ftpd 8 881.El 882.Pp 883.It Pa mail/ 884user mailbox files 885.It Pa msgs/ 886system messages database; see 887.Xr msgs 1 888.It Pa preserve/ 889unused, present for historical reasons 890.It Pa quotas/ 891UFS quota information files 892.It Pa run/ 893files containing information about the operating system since it was booted 894.Pp 895.Bl -tag -width "wpa_supplicant/" -compact 896.It Pa bhyve/ 897.Xr bhyve 8 898virtual machine 899.Xr unix 4 Ns -domain sockets 900.It Pa ppp/ 901writable by the 902.Dq network 903group for command connection sockets; see 904.Xr ppp 8 905.It Pa utx.active 906database of current users; see 907.Xr getutxent 3 908.It Pa wpa_supplicant/ 909IEEE Std. 802.11 wifi run time files 910.El 911.Pp 912.It Pa rwho/ 913information about other systems on the local network; see 914.Xr rwhod 8 , 915.Xr rwho 1 , 916and 917.Xr ruptime 1 918.It Pa spool/ 919printer and mail system spooling directories 920.Pp 921.Bl -tag -width "clientmqueue/" -compact 922.It Pa clientmqueue/ 923undelivered submission mail queue; see 924.Xr sendmail 8 925.It Pa cups/ 926print jobs and temporary files for 927.Xr cups 1 928.It Pa dma/ 929undelivered mail queue for 930.Dx 931Mail Agent; see 932.Xr dma 8 933.It Pa lock/ 934serial device locks; see 935.Xr uucplock 3 936.It Pa lpd/ 937line printer spooler daemon spool 938.It Pa ftp/ 939ftp root directory; see 940.Xr ftpd 8 941.It Pa mqueue/ 942undelivered mail queue for 943.Xr sendmail 8 944.It Pa output/ 945line printer spooling directories 946.El 947.Pp 948.It Pa tmp/ 949temporary files not removed between system reboots 950.Pp 951.Bl -tag -width "vi.recover/" -compact 952.It Pa vi.recover/ 953recovery files for the 954.Xr vi 1 955editor 956.El 957.Pp 958.It Pa unbound/ 959files and configuration for 960.Xr unbound 8 961.It Pa yp/ 962the NIS maps; see 963.Xr yp 8 964.El 965.El 966.Sh NOTES 967This manual page documents the default 968.Fx 969file system layout. 970The actual hierarchy on a given system is defined at the system 971administrator's discretion. 972A well-maintained installation will include a customized version of 973this document. 974.Sh SEE ALSO 975.Xr apropos 1 , 976.Xr find 1 , 977.Xr grep 1 , 978.Xr ls 1 , 979.Xr whereis 1 , 980.Xr which 1 981.Sh HISTORY 982A 983.Nm 984manual page first appeared in 1979 with 985.At v7 . 986