1.\" $NetBSD: hier.7,v 1.68 2004/11/21 09:17:13 jmmv 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 21, 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 "distfilesX" -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 ptyfs/ 886pseudo-terminal device filesystem; see 887.Xr mount_ptyfs 8 888.It Sy smbfs/ 889SMB/CIFS filesystem support; see 890.Xr mount_smbfs 8 891.It Sy union/ 892union file system; see 893.Xr mount_union 8 894.El 895.It Sy gdbscripts/ 896support for accessing kernel structures from within the debugger 897.Xr gdb 1 . 898.It Sy ipkdb/ 899support for kernel debugging over the network 900.Pp 901.It Sy kern/ 902support for the high kernel (system calls) 903.It Sy lib/ 904kernel libraries 905.Pp 906.Bl -tag -width "libkern/" -compact 907.It Sy libkern/ 908C library routines used in the kernel 909.It Sy libsa/ 910machine independent stand alone kernel library 911.It Sy libz/ 912compression library 913.El 914.Pp 915.It Sy lkm/ 916loadable kernel modules 917.Pp 918.Bl -tag -width "gdbscripts/" -compact 919.It Sy compat/ 920LKM support compatibility modules; currently unsupported. 921.It Sy netinet/ 922LKM support networking modules 923.Pp 924.Bl -tag -width "if_ipl/" -compact 925.It Sy if_ipl/ 926LKM for IP-Filter 927.El 928.Pp 929.It Sy vfs/ 930LKM support for file systems. 931.El 932.Pp 933.It Sy miscfs/ 934miscellaneous file systems 935.Pp 936.Bl -tag -width "deadfs/" -compact 937.It Sy deadfs/ 938kernel only dead file system 939.It Sy fdesc/ 940file descriptor file system; see 941.Xr mount_fdesc 8 942.It Sy fifofs/ 943POSIX FIFO support 944.It Sy genfs/ 945kernel only generic file system 946.It Sy kernfs/ 947kernel namespace file system; see 948.Xr mount_kernfs 8 949.It Sy nullfs/ 950loop back file system; see 951.Xr mount_null 8 952.It Sy overlay/ 953overlay file system; see 954.Xr mount_overlay 8 955.It Sy portal/ 956portal file system; see 957.Xr mount_portal 8 958.It Sy procfs/ 959process file system; see 960.Xr mount_procfs 8 961.It Sy specfs/ 962kernel only special file system 963.It Sy syncfs/ 964kernel trickle sync algorithm 965.It Sy umapfs/ 966user and group re-mapping file system; see 967.Xr mount_umap 8 968.El 969.Pp 970.It Sy net/ 971miscellaneous networking support 972.It Sy netatalk/ 973AppleTalk networking support 974.It Sy netccitt/ 975CCITT networking support 976.It Sy netinet/ 977IP networking support 978.It Sy netinet6/ 979IPv6 networking support 980.It Sy netiso/ 981ISO networking support 982.It Sy netkey/ 983Key database for IPsec networking support 984.It Sy netnatm/ 985ATM networking support 986.It Sy netns/ 987XNS networking support 988.It Sy nfs/ 989NFS support 990.It Sy stand/ 991kernel standalone support 992.It Sy sys/ 993kernel (and system) include files 994.It Sy ufs/ 995local filesystem support 996.Pp 997.Bl -tag -width "ffs/" -compact 998.It Sy ffs/ 999the Berkeley Fast File System 1000.It Sy lfs/ 1001the log-structured file system 1002.It Sy mfs/ 1003the in-memory file system 1004.It Sy ufs/ 1005shared 1006.Ux 1007file system support 1008.El 1009.It Sy uvm/ 1010UVM virtual memory system 1011.El 1012.It Sy usr.bin/ 1013source for utilities/files in 1014.Pa /usr/bin 1015.It Sy usr.sbin/ 1016source for utilities/files in 1017.Pa /usr/sbin 1018.El 1019.It Sy /var/ 1020multi-purpose log, temporary, transient, and spool files 1021.Pp 1022.Bl -tag -width "preserve/" -compact 1023.It Sy account/ 1024system accounting files 1025.Pp 1026.Bl -tag -width "acct" -compact 1027.It Sy acct 1028execution accounting file; 1029see 1030.Xr acct 5 1031.El 1032.Pp 1033.It Sy at/ 1034timed command scheduling files; 1035see 1036.Xr at 1 1037.It Sy backups/ 1038miscellaneous backup files, largely of files found in 1039.Pa /etc 1040.It Sy chroot/ 1041home directories of applications which are run in a 1042.Xr chroot 8 1043.Dq cage . 1044.It Sy crash/ 1045system crash dumps; see 1046.Xr savecore 8 1047.It Sy cron/ 1048scheduled commands configuration files; see 1049.Xr cron 8 1050.It Sy db/ 1051miscellaneous automatically generated system-specific database files, 1052and persistent files used in the maintenance of third party software. 1053.Pp 1054.Bl -tag -width "monthly.out" -compact 1055.It Sy pkg 1056default location for metadata related to third party software 1057packages. 1058See 1059.Xr pkg_install 1 1060for more details of the 1061.Nx 1062Packages Collection, or pkgsrc. 1063.El 1064.Pp 1065.It Sy games/ 1066miscellaneous game status and log files 1067.It Sy heimdal/ 1068Kerberos 5 KDC database; see 1069.Xr kdc 8 1070.It Sy log/ 1071miscellaneous system log files 1072.Pp 1073.Bl -tag -width "monthly.out" -compact 1074.It Sy amd.* 1075.Xr amd 8 1076logs 1077.It Sy daily.out 1078output of the last run of the 1079.Pa /etc/daily 1080script 1081.It Sy ftp.* 1082.Xr ftp 1 1083logs 1084.It Sy kerberos.* 1085.Xr kerberos 8 1086logs 1087.It Sy lastlog 1088system last time logged in log; see 1089.Xr utmp 5 1090.It Sy lpd-errs.* 1091printer daemon error logs; see 1092.Xr lpd 8 1093.It Sy maillog.* 1094.Xr sendmail 8 1095log files 1096.It Sy messages.* 1097general system information log 1098.It Sy monthly.out 1099output of the last run of the 1100.Pa /etc/monthly 1101script 1102.It Sy secure 1103sensitive security information log 1104.It Sy sendmail.st 1105.Xr sendmail 8 1106statistics 1107.It Sy timed.* 1108.Xr timed 8 1109logs 1110.It Sy weekly.out 1111output of the last run of the 1112.Pa /etc/weekly 1113script 1114.It Sy wtmp 1115login/logout log; 1116see 1117.Xr utmp 5 1118.El 1119.Pp 1120.It Sy mail/ 1121user system mailboxes 1122.It Sy msgs/ 1123system messages; see 1124.Xr msgs 1 1125.\" since we use nvi (now called vi) this isn't the place any more, is it? 1126.It Sy preserve/ 1127temporary home of files preserved after an accidental death of 1128.Xr ex 1 1129or 1130.Xr vi 1 1131.It Sy quotas/ 1132filesystem quota information 1133.It Sy run/ 1134system information files, rebuilt after each reboot 1135.Pp 1136.Bl -tag -width "utmp" -compact 1137.It Sy utmp 1138database of current users; see 1139.Xr utmp 5 1140.El 1141.Pp 1142.It Sy rwho/ 1143rwho data files; see 1144.Xr rwhod 8 , 1145.Xr rwho 1 , 1146and 1147.Xr ruptime 1 1148.It Sy spool/ 1149miscellaneous printer and mail system spooling directories 1150.Pp 1151.Bl -tag -width "uucppublic/" -compact 1152.It Sy ftp/ 1153commonly 1154.Dq ~ftp , 1155the anonymous ftp root directory; see 1156.Xr ftpd 8 1157.It Sy mqueue/ 1158sendmail mail queue; 1159see 1160.Xr sendmail 8 1161.It Sy news/ 1162Network news archival and spooling directories 1163.It Sy output/ 1164printer spooling directories 1165.It Sy postfix/ 1166postfix mail queue; 1167see 1168.Xr postfix 1 1169.It Sy uucp/ 1170uucp spool directory 1171.It Sy uucppublic/ 1172commonly 1173.Dq ~uucp , 1174the uucp public temporary directory; see 1175.Xr uucp 1 1176.El 1177.Pp 1178.It Sy tmp/ 1179temporary files that are not discarded between system reboots 1180.Pp 1181.Bl -tag -width "vi.recover/" -compact 1182.It Sy vi.recover/ 1183recovery directory for new 1184.Xr vi 1 1185.El 1186.Pp 1187.It Sy yp/ 1188Databases and configuration for the NIS (YP) system; see 1189.Xr nis 8 . 1190.El 1191.El 1192.Sh SEE ALSO 1193.Xr apropos 1 , 1194.Xr ls 1 , 1195.Xr whatis 1 , 1196.Xr whereis 1 , 1197.Xr which 1 1198.Sh HISTORY 1199A 1200.Nm 1201manual page appeared in 1202.At v7 . 1203