1.\" $NetBSD: hier.7,v 1.66 2004/11/17 16:56:16 yamt Exp $ 2.\" 3.\" Copyright (c) 1990, 1993, 1994 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.\" @(#)hier.7 8.5 (Berkeley) 6/1/94 31.\" 32.Dd November 18, 2004 33.Dt HIER 7 34.Os 35.Sh NAME 36.Nm hier 37.Nd layout of filesystems 38.Sh DESCRIPTION 39An outline of the filesystem hierarchy. 40.Pp 41Naming is very important. 42The 43.Ux 44System relies on filename conventions for much of its power as a system. 45The following file system layout describes generally where things are 46and what they are, with references to other man pages for more detailed 47documentation. 48.Pp 49Not all files will be in every system. 50.Pp 51.Bl -tag -width "/altroot/" 52.It Sy \&/ 53root directory of the system 54.It Sy /COPYRIGHT 55system copyright notice, most often put on 56.Tn CD-ROM 57distributions. 58.It Sy "/[a-z]/" 59user filesystems 60.It Sy /altroot/ 61alternate root filesystem, in case of disaster 62.\" .It Sy /amd/ 63.\" home directories mount point; see 64.\" .Xr amd 8 65.It Sy /bin/ 66utilities used in both single and multi-user environments 67.It Sy /boot* 68second-stage boot loader(s) for some platforms; see 69.Xr installboot 8 70.It Sy /dev/ 71block, character and other special device files 72.Pp 73.Bl -tag -width "MAKEDEV" -compact 74.It Sy MAKEDEV 75script for creating device files; 76see 77.Xr makedev 8 78.It Sy console 79the computer's console device 80.It Sy drum 81system swap space; see 82.Xr drum 4 83.It Sy fd/ 84file descriptor files; 85see 86.Xr fd 4 87.It Sy klog 88kernel logging device; see 89.Xr syslog 3 90.It Sy kmem 91kernel virtual memory device; see 92.Xr mem 4 93.It Sy log 94.Ux 95domain datagram log socket; see 96.Xr syslogd 8 97.It Sy mem 98kernel physical memory device; see 99.Xr mem 4 100.It Sy null 101the null device; see 102.Xr null 4 103.It Sy stderr 104.It Sy stdin 105.It Sy stdout 106file descriptor files; 107see 108.Xr fd 4 109.It Sy tty 110process' controlling terminal device; see 111.Xr tty 4 112.It Sy zero 113the zero device; see 114.Xr zero 4 115.El 116.\" .It Sy /dump/ 117.\" online 118.\" .Xr dump 8 119.\" repository 120.It Sy /etc/ 121system configuration files and scripts 122.Pp 123.Bl -tag -width "master.passwd" -compact 124.It Sy amd* 125configuration files for 126.Xr amd 8 127.It Sy changelist 128files backed up by the security script 129.It Sy crontab 130schedule used by the 131.Xr cron 8 132daemon 133.It Sy csh.cshrc 134.It Sy csh.login 135.It Sy csh.logout 136system-wide scripts for 137.Xr csh 1 138.It Sy daily 139script run each day by 140.Xr cron 8 141.It Sy daily.conf 142configuration file for 143.Sy daily ; 144see 145.Xr daily.conf 5 146.It Sy defaults/ 147default configuration files read by various 148.Pa /etc/*.conf 149files 150.It Sy disktab 151disk description file, see 152.Xr disktab 5 153.It Sy dm.conf 154dungeon master configuration; see 155.Xr dm.conf 5 156.It Sy dumpdates 157dump history; see 158.Xr dump 8 159.It Sy exports 160filesystem export information; see 161.Xr mountd 8 162.It Sy fstab 163filesystem information; see 164.Xr fstab 5 165and 166.Xr mount 8 167.It Sy ftpusers 168users denied 169.Xr ftp 1 170access; see 171.Xr ftpd 8 172.It Sy ftpwelcome 173.Xr ftp 1 174initial message; see 175.Xr ftpd 8 176.It Sy gettytab 177terminal configuration database; see 178.Xr gettytab 5 179.It Sy group 180group permissions file; see 181.Xr group 5 182.It Sy hosts 183host name database backup for 184.Xr named 8 ; 185see 186.Xr hosts 5 187.It Sy hosts.equiv 188trusted machines with equivalent user ID's 189.It Sy hosts.lpd 190trusted machines with printing privileges 191.It Sy inetd.conf 192Internet server configuration file; see 193.Xr inetd 8 194.It Sy kerberosIV/ 195configuration files for the kerberos version IV; 196see 197.Xr kerberos 8 198.It Sy kerberosV/ 199configuration files for the kerberos version V; 200see 201.Xr kerberos 8 202.It Sy localtime 203local timezone information; 204see 205.Xr ctime 3 206.It Sy mail/ 207configuration files for 208.Xr sendmail 8 209.Pp 210.Bl -tag -width "sendmail.*" -compact 211.It Sy aliases* 212name alias files 213.It Sy sendmail.* 214.Xr sendmail 8 215configuration information 216.El 217.It Sy mail.rc 218system-wide initialization script for 219.Xr mail 1 220.It Sy man.conf 221configuration file for 222.Xr man 1 ; 223see 224.Xr man.conf 5 225.It Sy master.passwd 226Main password file, readable only by root; see 227.Xr passwd 5 228.It Sy mk.conf 229optional file containing 230.Xr make 1 231variables, read by pkgsrc and the system sources. 232.It Sy monthly 233script run each month by 234.Xr cron 8 235.It Sy monthly.conf 236configuration file for 237.Sy monthly ; 238see 239.Xr monthly.conf 5 240.It Sy motd 241system message of the day 242.It Sy mtree/ 243mtree configuration files; 244see 245.Xr mtree 8 246.It Sy named.* 247.It Sy namedb/ 248named configuration files and databases; 249see 250.Xr named 8 251.It Sy netgroup 252network groups; see 253.Xr netgroup 5 254.It Sy netstart 255network startup script 256.It Sy networks 257network name data base; see 258.Xr networks 5 259.It Sy passwd 260World readable password file generated from master.passwd; see 261.Xr passwd 5 , 262.Xr pwd_mkdb 8 263.It Sy phones 264remote host phone number data base; see 265.Xr phones 5 266.It Sy printcap 267system printer configuration; see 268.Xr printcap 5 269.It Sy protocols 270protocol name database; see 271.Xr protocols 5 272.It Sy pwd.db 273database form of passwd file; see 274.Xr pwd_mkdb 8 275.It Sy rc 276master system startup script invoked by 277.Xr init 8 ; 278see 279.Xr rc 8 280.It Sy rc.conf 281configuration file for system startup and shutdown scripts; see 282.Xr rc.conf 5 283.It Sy rc.d/ 284directory containing per-subsystem startup and shutdown scripts; see 285.Xr rc 8 286.It Sy rc.local 287locally editable system startup script 288.It Sy rc.shutdown 289master system shutdown script invoked by 290.Xr shutdown 8 ; 291see 292.Xr rc 8 293.It Sy remote 294remote host description file; see 295.Xr remote 5 296.It Sy security 297daily (in)security script run by 298.Xr cron 8 299.It Sy security.conf 300configuration file for 301.Sy security ; 302see 303.Xr security.conf 5 304.It Sy services 305service name data base; see 306.Xr services 5 307.It Sy shells 308list of permitted shells; see 309.Xr shells 5 310.It Sy sliphome/ 311.Tn SLIP 312login/logout scripts; see 313.Xr sliplogin 8 314.It Sy spwd.db 315database form of master.passwd file; see 316.Xr pwd_mkdb 8 317.It Sy syslog.conf 318.Xr syslogd 8 319configuration file; see 320.Xr syslog.conf 5 321.It Sy termcap 322terminal type database; see 323.Xr termcap 3 324.It Sy ttys 325terminal initialization information; see 326.Xr ttys 5 327.It Sy uucp/ 328UUCP configuration files; see 329.Xr uucp 1 330and 331.Xr uucico 8 . 332.It Sy weekly 333script run each week by 334.Xr cron 8 335.It Sy weekly.conf 336configuration file for 337.Sy weekly ; 338see 339.Xr weekly.conf 5 340.El 341.It Sy /home/ 342mount point for the automounter; see 343.Xr amd 8 344.It Sy /lib/ 345dynamic linked libraries used by dynamic linked programs 346(such as those in 347.Pa /bin/ 348and 349.Pa /sbin/ ) 350that cannot rely upon 351.Pa /usr/lib/ 352being available. 353.It Sy /libexec/ 354system utilities (such as the dynamic linker) required by programs 355and libraries that cannot rely upon 356.Pa /usr/libexec/ 357being available. 358.It Sy /mnt/ 359empty directory commonly used by 360system administrators as a temporary mount point 361.It Sy /netbsd 362pure kernel executable (the operating system loaded into memory 363at boot time). 364.It Sy /rescue/ 365statically linked rescue tools, for use in system recovery 366.It Sy /root/ 367home directory for the super-user 368.Pp 369.Bl -tag -width ".profile" -compact 370.It Sy \&.cshrc 371super-user start-up file 372.It Sy \&.login 373super-user start-up file 374.It Sy \&.profile 375super-user start-up file 376.It Sy \&.rhosts 377super-user id mapping between machines 378.El 379.ne 1i 380.It Sy /sbin/ 381system programs and administration utilities 382used in both single-user and multi-user environments 383.It Sy /stand/ 384programs used in a standalone environment 385.It Sy /tmp/ 386temporary files, usually a 387.Xr mfs 8 388memory-based filesystem (the contents of 389.Pa /tmp 390are usually 391.Em not 392preserved across a system reboot) 393.It Sy /usr/ 394contains the majority of the system utilities and files 395.Pp 396.Bl -tag -width "libdata/" -compact 397.It Sy X11R6/ 398X11 files 399.Pp 400.Bl -tag -width "include/" -compact 401.It Sy bin/ 402X11 binaries 403.It Sy include/ 404X11 include files 405.It Sy lib/ 406X11 libraries 407.El 408.Pp 409.It Sy bin/ 410common utilities, programming tools, and applications 411.It Sy games/ 412the important stuff 413.It Sy include/ 414standard C include files 415.Pp 416.Bl -tag -width "kerberosIV/" -compact 417.It Sy arpa/ 418include files for Internet service protocols 419.It Sy g++/ 420include files for the C++ compiler 421.It Sy kerberosIV/ 422include files for kerberos authentication package; 423see 424.Xr kerberos 8 425.It Sy machine/ 426machine specific include files 427.It Sy net/ 428.It Sy netatalk/ 429C include files for AppleTalk protocols 430miscellaneous network include files; 431see 432.Xr atalk 4 433.It Sy netccitt/ 434CCITT networking include files 435.It Sy netinet/ 436include files for Internet standard protocols; see 437.Xr inet 4 438.It Sy netinet6/ 439include files for Internet protocol version 6; see 440.Xr inet6 4 441.It Sy netiso/ 442include files for ISO standard protocols; see 443.Xr iso 4 444.It Sy netkey/ 445include files for secret key management, used for security protocols; see 446.Xr ipsec 4 447.It Sy netnatm/ 448C include files for native mode ATM 449.It Sy netns/ 450C include files for XNS standard protocols; see 451.Xr ns 4 452.It Sy nfs/ 453C include files for NFS (Network File System) 454.It Sy protocols/ 455C include files for Berkeley service protocols 456.It Sy sys/ 457system C include files (kernel data structures) 458.It Sy ufs/ 459C include files for UFS (The U-word File System) 460.El 461.Pp 462.It Sy lib/ 463archive, profiled, position independent archive, and shared libraries 464.It Sy libdata/ 465miscellaneous utility data files 466.It Sy libexec/ 467system daemons \*[Am] system utilities (executed by other programs) 468.Pp 469.Bl -tag -width "uucp/" -compact 470.It Sy uucp/ 471UUCP binaries and scripts (historically placed; to be moved) 472.El 473.Pp 474.It Sy lkm/ 475loadable kernel modules 476.It Sy mdec/ 477boot blocks, etc. 478.It Sy obj/ 479architecture-specific target tree produced by building the 480.Pa /usr/src 481tree; normally a symbolic link or mounted filesystem 482.It Sy pkg/ 483packages maintained by groups other than the 484.Nx 485Project. 486.Pp 487.Bl -tag -width "include/" -compact 488.It Sy bin/ 489contributed binaries 490.It Sy include/ 491contributed include files 492.It Sy lib/ 493contributed libraries 494.It Sy libdata/ 495contributed data files 496.It Sy libexec/ 497contributed daemons 498.It Sy sbin/ 499contributed system utilities 500.El 501.Pp 502.It Sy pkgsrc/ 503build descriptions ("packages") for the 504.Nx 505packages system. 506.Pp 507.Bl -tag -width "distfiles" -compact 508.It Sy distfiles 509Where unchanged source archives are fetched to/stored 510.It Sy packages 511Where compiled binary packages are stored 512.El 513.Pp 514There are also several other subdirectories which contain packages of 515a certain category, e.g., archivers, graphics, ... 516.Pp 517.It Sy sbin/ 518system daemons and system utilities (normally executed by the super-user) 519.It Sy share/ 520architecture-independent text files 521.Pp 522.Bl -tag -width "calendar/" -compact 523.It Sy calendar/ 524a variety of calendar files; see 525.Xr calendar 1 526.It Sy dict/ 527word lists; 528see 529.Xr look 1 530and 531.Xr spell 1 532.Pp 533.Bl -tag -width "special/" -compact 534.It Sy words 535common words 536.It Sy web2 537words of Webster's 2nd International 538.It Sy papers/ 539reference databases; 540see 541.Xr refer 1 542.It Sy special/ 543custom word lists; 544see 545.Xr spell 1 546.El 547.Pp 548.It Sy doc/ 549miscellaneous documentation; source for most of the printed 550.Bx 4.3 551manuals (available 552from the 553.Tn USENIX 554association) 555.It Sy games/ 556text files used by various games 557.It Sy i18n/ 558internationalization databases; see 559.Xr iconv 3 560.It Sy lkm/ 561documentation on the loadable kernel modules interface 562.It Sy locale/ 563locale databases and gettext message catalogs; see 564.Xr setlocale 3 565and 566.Xr gettext 3 567.It Sy man/ 568formatted manual pages 569.It Sy me/ 570macros for use with the 571.Xr me 7 572macro package 573.It Sy misc/ 574miscellaneous system-wide text files 575.Pp 576.Bl -tag -width "termcap" -compact 577.It Sy termcap 578terminal characteristics database; 579see 580.Xr termcap 5 581.El 582.Pp 583.It Sy mk/ 584include files for 585.Xr make 1 586.It Sy ms/ 587macros for use with the 588.Xr ms 7 589macro package 590.It Sy nls/ 591message catalogs; see 592.Xr catgets 3 593.It Sy skel/ 594sample initialization files for new user accounts 595.It Sy tabset/ 596tab description files for a variety of terminals, used in 597the termcap file; 598see 599.Xr termcap 5 600.It Sy tmac/ 601text processing macros; 602see 603.Xr nroff 1 604and 605.Xr troff 1 606.It Sy zoneinfo/ 607timezone configuration information; 608see 609.Xr tzfile 5 610.El 611.Pp 612.El 613.Pp 614.It Sy /usr/src/ 615.Nx 616and local source files 617.Pp 618.Bl -tag -width "domestic/" -compact 619.It Sy bin/ 620source for utilities/files in 621.Pa /bin 622.It Sy crypto/ 623cryptographic source, which may have import or export restrictions 624.It Sy dist/ 625third-party 626.Sq virgin 627source code, referenced by other parts of the source tree 628.It Sy distrib/ 629tools and data-files for making distributions 630.It Sy doc/ 631documentation about the source tree (i.e., about the tree, not about 632how to use the built software.) 633.It Sy etc/ 634source (usually example files) for files in 635.Pa /etc 636.It Sy games/ 637source for utilities/files in 638.Pa /usr/games 639.It Sy gnu/ 640source for programs covered by the 641.Tn GNU 642license (or similar) 643.It Sy include/ 644source for files in 645.Pa /usr/include 646.It Sy lib/ 647source for libraries in 648.Pa /usr/lib 649.It Sy libexec/ 650source for utilities/files in 651.Pa /usr/libexec 652.It Sy regress/ 653various regression tests 654.It Sy rescue/ 655source/makefiles for /rescue 656.It Sy sbin/ 657source for utilities/files in 658.Pa /sbin 659.It Sy share/ 660source for files in 661.Pa /usr/share 662.Pp 663.Bl -tag -width "doc/" -compact 664.It Sy doc/ 665.Pp 666.Bl -tag -width "papers/" -compact 667.It Sy papers/ 668source for various Berkeley technical papers 669.It Sy psd/ 670source for Programmer's Supplementary Documents 671.It Sy smm/ 672source for System Manager's Manual 673.It Sy usd/ 674source for User's Supplementary Documents 675.Pp 676.El 677.El 678.It Sy sys/ 679kernel source files 680.Pp 681.Bl -tag -width "gdbscripts/" -compact 682.It Sy arch/ 683architecture-specific support 684.Pp 685.Bl -tag -width "playstation2/" -compact 686.It Sy acorn26/ 687ARM2 and ARM3 based systems 688.It Sy acorn32/ 689Acorn RiscPC/A7000/NC and compatibles 690.It Sy algor/ 691Algorithmics MIPS evaluations board 692.It Sy alpha/ 693Digital Equipment Corp. Alpha architecture 694.It Sy amd64/ 695AMD64 based systems 696.It Sy amiga/ 697Amiga architecture 698.It Sy amigappc/ 699PowerPC based Amiga architecture 700.It Sy arc/ 701ARC specification compliant systems. 702.It Sy arm/ 703ARM processor general support 704.It Sy atari/ 705Atari architecture 706.It Sy bebox/ 707Be Inc. BeBox architecture 708.It Sy cats/ 709Chalice Technology StrongARM evaluation board 710.It Sy cesfic/ 711CES FIC8234 VME processor board 712.It Sy cobalt/ 713Cobalt Networks MIPS Microserver architecture 714.It Sy dreamcast/ 715Sega Dreamcast game console 716.It Sy evbarm/ 717ARM based evaluation boards 718.It Sy evbmips/ 719MIPS based evaluation boards 720.It Sy evbppc/ 721PowerPC based evaluation board 722.It Sy evbsh3/ 723SH3 based evaluation boards 724.It Sy hp300/ 725Hewlett-Packard 9000/300 680x0-based workstations 726.It Sy hpcarm/ 727StrongARM based WinCE hand-held devices 728.It Sy hpcmips/ 729MIPS based WinCE hand-held devices 730.It Sy hpcsh/ 731Hitachi SH3/4 based WinCE hand-held devices 732.It Sy i386/ 733Intel 386/486/Pentium/etc. workstations 734.It Sy iyonix/ 735Castle Technology Intel xscale based workstations 736.It Sy luna68k/ 737Omron LUNA 68000-based workstations 738.It Sy m68k/ 739680x0 processor support 740.It Sy mac68k/ 741Apple Computer 680x0-based workstations 742.It Sy macppc/ 743Apple Computer PowerPC-based workstations 744.It Sy mips/ 745MIPS processor support 746.It Sy mipsco/ 747MIPS Computer Systems Inc. architecture 748.It Sy mmeye/ 749Brains Inc. SH3 based mmEye multimedia server 750.It Sy mvme68k/ 751VME 680x0-based cards 752.It Sy news68k/ 753Sony NEWS 680x0-based workstations 754.It Sy newsmips/ 755Sony NEWS MIPS-based workstations 756.It Sy next68k/ 757NeXT 680x0-based workstations 758.It Sy ofppc/ 759Open Firmware PowerPC workstations 760.It Sy pc532/ 761pc532 architecture 762.It Sy playstation2/ 763SONY PlayStation 2 764.It Sy pmax/ 765MIPS-based DECstation architecture 766.It Sy pmppc/ 767Artesyn's PM/PPC board 768.It Sy powerpc/ 769PowerPC processor support 770.It Sy prep/ 771PowerPC Reference Platform 772.It Sy sandpoint/ 773Motorola Sandpoint reference platform 774.It Sy sbmips/ 775Broadcom/SiByte MIPS architecture 776.It Sy sgimips/ 777SGI MIPS architecture 778.It Sy sh3/ 779SH3 processor general support 780.It Sy shark/ 781StrongARM based Digital DNARD ("Shark") machines 782.It Sy sparc/ 783Sun Microsystems SPARC architecture 784.It Sy sparc64/ 785Sun Microsystems UltraSPARC architecture 786.It Sy sun2/ 787Sun Microsystems 68010-based Sun 2 architecture 788.It Sy sun3/ 789Sun Microsystems 68020/68030-based Sun 3/3x architecture 790.It Sy sun68k/ 791680x0-based Sun architecture general support 792.It Sy vax/ 793Digital Equipment Corp. VAX architecture 794.It Sy x68k/ 795Sharp X680x0 680x0-based workstations 796.El 797.Pp 798.It Sy compat/ 799kernel compatibility modules directory 800.Pp 801.Bl -tag -width "ossaudio/" -compact 802.It Sy common/ 803common compatibility routines, old 804.Bx 4 805and 806.Nx 807routines. 808.It Sy freebsd/ 809support for 810.Fx 811binaries; see 812.Xr compat_freebsd 8 813.It Sy hpux/ 814support for 68000 HP-UX binaries 815.It Sy ibcs2/ 816support for Intel Binary binaries 817.It Sy linux/ 818support for Linux binaries; see 819.Xr compat_linux 8 820.It Sy m68k4k/ 821support for 4KB page 68000 binaries 822.It Sy netbsd32/ 823support for 824.Nx 82532-bit binaries on 64 bit platforms with compatible CPU families 826.It Sy osf1/ 827support for 828.Tn Digital 829.Ux 830.Po 831formerly 832.Tn OSF/1 833.Pc 834binaries 835.It Sy ossaudio/ 836support for OSS audio 837.It Sy pecoff/ 838support for 839.Tn Win32 840binaries; see 841.Xr compat_pecoff 8 842.It Sy sunos/ 843support for 844.Tn SunOS 4.x 845binaries; see 846.Xr compat_sunos 8 847.It Sy svr4/ 848support for System V Release 4 binaries; see 849.Xr compat_svr4 8 850.It Sy ultrix/ 851support for 852.Tn ULTRIX 853binaries 854.It Sy vax1k/ 855support for older VAX binaries that started on a 1 KB boundary 856.El 857.Pp 858.It Sy conf/ 859architecture independent configuration directory 860.It Sy crypto/ 861cryptographic kernel source, which may have import or export restrictions 862.It Sy ddb/ 863in kernel debugger 864.It Sy dev/ 865architecture independent device support 866.It Sy fs/ 867miscellaneous file systems 868.Bl -tag -width "filecorefs/" -compact 869.It Sy adosfs/ 870AmigaDOS file-system support; see 871.Xr mount_ados 8 872.It Sy cd9660/ 873support for the ISO-9660 filesystem; see 874.Xr mount_cd9660 8 875.It Sy filecorefs/ 876support for the Acorn RISC OS filecore filesystem; see 877.Xr mount_filecore 8 878.It Sy msdosfs/ 879.Tn MS-DOS 880file system; see 881.Xr mount_msdos 8 882.It Sy ntfs/ 883NTFS filesystem support; see 884.Xr mount_ntfs 8 885.It Sy smbfs 886SMB/CIFS filesystem support; see 887.Xr mount_smbfs 8 888.It Sy union/ 889union file system; see 890.Xr mount_union 8 891.El 892.It Sy gdbscripts/ 893support for accessing kernel structures from within the debugger 894.Xr gdb 1 . 895.It Sy ipkdb/ 896support for kernel debugging over the network 897.Pp 898.It Sy kern/ 899support for the high kernel (system calls) 900.It Sy lib/ 901kernel libraries 902.Pp 903.Bl -tag -width "libkern/" -compact 904.It Sy libkern/ 905C library routines used in the kernel 906.It Sy libsa/ 907machine independent stand alone kernel library 908.It Sy libz/ 909compression library 910.El 911.Pp 912.It Sy lkm/ 913loadable kernel modules 914.Pp 915.Bl -tag -width "gdbscripts/" -compact 916.It Sy compat/ 917LKM support compatibility modules; currently unsupported. 918.It Sy netinet/ 919LKM support networking modules 920.Pp 921.Bl -tag -width "if_ipl/" -compact 922.It Sy if_ipl/ 923LKM for IP-Filter 924.El 925.Pp 926.It Sy vfs/ 927LKM support for file systems. 928.El 929.Pp 930.It Sy miscfs/ 931miscellaneous file systems 932.Pp 933.Bl -tag -width "deadfs/" -compact 934.It Sy deadfs/ 935kernel only dead file system 936.It Sy fdesc/ 937file descriptor file system; see 938.Xr mount_fdesc 8 939.It Sy fifofs/ 940POSIX FIFO support 941.It Sy genfs/ 942kernel only generic file system 943.It Sy kernfs/ 944kernel namespace file system; see 945.Xr mount_kernfs 8 946.It Sy nullfs/ 947loop back file system; see 948.Xr mount_null 8 949.It Sy overlay/ 950overlay file system; see 951.Xr mount_overlay 8 952.It Sy portal/ 953portal file system; see 954.Xr mount_portal 8 955.It Sy procfs/ 956process file system; see 957.Xr mount_procfs 8 958.It Sy specfs/ 959kernel only special file system 960.It Sy syncfs/ 961kernel trickle sync algorithm 962.It Sy umapfs/ 963user and group re-mapping file system; see 964.Xr mount_umap 8 965.El 966.Pp 967.It Sy net/ 968miscellaneous networking support 969.It Sy netatalk/ 970AppleTalk networking support 971.It Sy netccitt/ 972CCITT networking support 973.It Sy netinet/ 974IP networking support 975.It Sy netinet6/ 976IPv6 networking support 977.It Sy netiso/ 978ISO networking support 979.It Sy netkey/ 980Key database for IPsec networking support 981.It Sy netnatm/ 982ATM networking support 983.It Sy netns/ 984XNS networking support 985.It Sy nfs/ 986NFS support 987.It Sy stand/ 988kernel standalone support 989.It Sy sys/ 990kernel (and system) include files 991.It Sy ufs/ 992local filesystem support 993.Pp 994.Bl -tag -width "ffs/" -compact 995.It Sy ffs/ 996the Berkeley Fast File System 997.It Sy lfs/ 998the log-structured file system 999.It Sy mfs/ 1000the in-memory file system 1001.It Sy ufs/ 1002shared 1003.Ux 1004file system support 1005.El 1006.It Sy uvm/ 1007UVM virtual memory system 1008.El 1009.It Sy usr.bin/ 1010source for utilities/files in 1011.Pa /usr/bin 1012.It Sy usr.sbin/ 1013source for utilities/files in 1014.Pa /usr/sbin 1015.El 1016.It Sy /var/ 1017multi-purpose log, temporary, transient, and spool files 1018.Pp 1019.Bl -tag -width "preserve/" -compact 1020.It Sy account/ 1021system accounting files 1022.Pp 1023.Bl -tag -width "acct" -compact 1024.It Sy acct 1025execution accounting file; 1026see 1027.Xr acct 5 1028.El 1029.Pp 1030.It Sy at/ 1031timed command scheduling files; 1032see 1033.Xr at 1 1034.It Sy backups/ 1035miscellaneous backup files, largely of files found in 1036.Pa /etc 1037.It Sy chroot/ 1038home directories of applications which are run in a 1039.Xr chroot 8 1040.Dq cage . 1041.It Sy crash/ 1042system crash dumps; see 1043.Xr savecore 8 1044.It Sy cron/ 1045scheduled commands configuration files; see 1046.Xr cron 8 1047.It Sy db/ 1048miscellaneous automatically generated system-specific database files, 1049and persistent files used in the maintenance of third party software. 1050.Pp 1051.Bl -tag -width "monthly.out" -compact 1052.It Sy pkg 1053default location for metadata related to third party software 1054packages. 1055See 1056.Xr pkg_install 1 1057for more details of the 1058.Nx 1059Packages Collection, or pkgsrc. 1060.El 1061.Pp 1062.It Sy games/ 1063miscellaneous game status and log files 1064.It Sy heimdal/ 1065Kerberos 5 KDC database; see 1066.Xr kdc 8 1067.It Sy log/ 1068miscellaneous system log files 1069.Pp 1070.Bl -tag -width "monthly.out" -compact 1071.It Sy amd.* 1072.Xr amd 8 1073logs 1074.It Sy daily.out 1075output of the last run of the 1076.Pa /etc/daily 1077script 1078.It Sy ftp.* 1079.Xr ftp 1 1080logs 1081.It Sy kerberos.* 1082.Xr kerberos 8 1083logs 1084.It Sy lastlog 1085system last time logged in log; see 1086.Xr utmp 5 1087.It Sy lpd-errs.* 1088printer daemon error logs; see 1089.Xr lpd 8 1090.It Sy maillog.* 1091.Xr sendmail 8 1092log files 1093.It Sy messages.* 1094general system information log 1095.It Sy monthly.out 1096output of the last run of the 1097.Pa /etc/monthly 1098script 1099.It Sy secure 1100sensitive security information log 1101.It Sy sendmail.st 1102.Xr sendmail 8 1103statistics 1104.It Sy timed.* 1105.Xr timed 8 1106logs 1107.It Sy weekly.out 1108output of the last run of the 1109.Pa /etc/weekly 1110script 1111.It Sy wtmp 1112login/logout log; 1113see 1114.Xr utmp 5 1115.El 1116.Pp 1117.It Sy mail/ 1118user system mailboxes 1119.It Sy msgs/ 1120system messages; see 1121.Xr msgs 1 1122.\" since we use nvi (now called vi) this isn't the place any more, is it? 1123.It Sy preserve/ 1124temporary home of files preserved after an accidental death of 1125.Xr ex 1 1126or 1127.Xr vi 1 1128.It Sy quotas/ 1129filesystem quota information 1130.It Sy run/ 1131system information files, rebuilt after each reboot 1132.Pp 1133.Bl -tag -width "utmp" -compact 1134.It Sy utmp 1135database of current users; see 1136.Xr utmp 5 1137.El 1138.Pp 1139.It Sy rwho/ 1140rwho data files; see 1141.Xr rwhod 8 , 1142.Xr rwho 1 , 1143and 1144.Xr ruptime 1 1145.It Sy spool/ 1146miscellaneous printer and mail system spooling directories 1147.Pp 1148.Bl -tag -width "uucppublic/" -compact 1149.It Sy ftp/ 1150commonly 1151.Dq ~ftp , 1152the anonymous ftp root directory; see 1153.Xr ftpd 8 1154.It Sy mqueue/ 1155sendmail mail queue; 1156see 1157.Xr sendmail 8 1158.It Sy news/ 1159Network news archival and spooling directories 1160.It Sy output/ 1161printer spooling directories 1162.It Sy postfix/ 1163postfix mail queue; 1164see 1165.Xr postfix 1 1166.It Sy uucp/ 1167uucp spool directory 1168.It Sy uucppublic/ 1169commonly 1170.Dq ~uucp , 1171the uucp public temporary directory; see 1172.Xr uucp 1 1173.El 1174.Pp 1175.It Sy tmp/ 1176temporary files that are not discarded between system reboots 1177.Pp 1178.Bl -tag -width "vi.recover/" -compact 1179.It Sy vi.recover/ 1180recovery directory for new 1181.Xr vi 1 1182.El 1183.Pp 1184.It Sy yp/ 1185Databases and configuration for the NIS (YP) system; see 1186.Xr nis 8 . 1187.El 1188.El 1189.Sh SEE ALSO 1190.Xr apropos 1 , 1191.Xr ls 1 , 1192.Xr whatis 1 , 1193.Xr whereis 1 , 1194.Xr which 1 1195.Sh HISTORY 1196A 1197.Nm 1198manual page appeared in 1199.At v7 . 1200