1.\" $NetBSD: hier.7,v 1.80 2008/01/09 11:26:13 simonb 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 July 11, 2007 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 kerberosV/ 195configuration files for the kerberos version V; 196see 197.Xr kerberos 8 198.It Sy localtime 199local timezone information; 200see 201.Xr ctime 3 202.It Sy mail/ 203configuration files for 204.Xr sendmail 8 205.Pp 206.Bl -tag -width "sendmail.*" -compact 207.It Sy aliases* 208name alias files 209.It Sy sendmail.* 210.Xr sendmail 8 211configuration information 212.El 213.It Sy mail.rc 214system-wide initialization script for 215.Xr mail 1 216.It Sy man.conf 217configuration file for 218.Xr man 1 ; 219see 220.Xr man.conf 5 221.It Sy master.passwd 222Main password file, readable only by root; see 223.Xr passwd 5 224.It Sy mk.conf 225optional file containing 226.Xr make 1 227variables, read by pkgsrc and the system sources. 228.It Sy monthly 229script run each month by 230.Xr cron 8 231.It Sy monthly.conf 232configuration file for 233.Sy monthly ; 234see 235.Xr monthly.conf 5 236.It Sy motd 237system message of the day 238.It Sy mtree/ 239mtree configuration files; 240see 241.Xr mtree 8 242.It Sy named.* 243.It Sy namedb/ 244named configuration files and databases; 245see 246.Xr named 8 247.It Sy netgroup 248network groups; see 249.Xr netgroup 5 250.It Sy netstart 251network startup script 252.It Sy networks 253network name data base; see 254.Xr networks 5 255.It Sy passwd 256World readable password file generated from master.passwd; see 257.Xr passwd 5 , 258.Xr pwd_mkdb 8 259.It Sy phones 260remote host phone number data base; see 261.Xr phones 5 262.It Sy printcap 263system printer configuration; see 264.Xr printcap 5 265.It Sy protocols 266protocol name database; see 267.Xr protocols 5 268.It Sy pwd.db 269database form of passwd file; see 270.Xr pwd_mkdb 8 271.It Sy rc 272master system startup script invoked by 273.Xr init 8 ; 274see 275.Xr rc 8 276.It Sy rc.conf 277configuration file for system startup and shutdown scripts; see 278.Xr rc.conf 5 279.It Sy rc.d/ 280directory containing per-subsystem startup and shutdown scripts; see 281.Xr rc 8 282.It Sy rc.local 283locally editable system startup script 284.It Sy rc.shutdown 285master system shutdown script invoked by 286.Xr shutdown 8 ; 287see 288.Xr rc 8 289.It Sy remote 290remote host description file; see 291.Xr remote 5 292.It Sy security 293daily (in)security script run by 294.Xr cron 8 295.It Sy security.conf 296configuration file for 297.Sy security ; 298see 299.Xr security.conf 5 300.It Sy services 301service name data base; see 302.Xr services 5 303.It Sy shells 304list of permitted shells; see 305.Xr shells 5 306.It Sy sliphome/ 307.Tn SLIP 308login/logout scripts; see 309.Xr sliplogin 8 310.It Sy spwd.db 311database form of master.passwd file; see 312.Xr pwd_mkdb 8 313.It Sy syslog.conf 314.Xr syslogd 8 315configuration file; see 316.Xr syslog.conf 5 317.It Sy termcap 318terminal type database; see 319.Xr termcap 3 320.It Sy ttys 321terminal initialization information; see 322.Xr ttys 5 323.It Sy uucp/ 324UUCP configuration files; see 325.Xr uucp 1 326and 327.Xr uucico 8 . 328.It Sy weekly 329script run each week by 330.Xr cron 8 331.It Sy weekly.conf 332configuration file for 333.Sy weekly ; 334see 335.Xr weekly.conf 5 336.El 337.It Sy /home/ 338mount point for the automounter; see 339.Xr amd 8 340.It Sy /lib/ 341dynamic linked libraries used by dynamic linked programs 342(such as those in 343.Pa /bin/ 344and 345.Pa /sbin/ ) 346that cannot rely upon 347.Pa /usr/lib/ 348being available. 349.It Sy /libexec/ 350system utilities (such as the dynamic linker) required by programs 351and libraries that cannot rely upon 352.Pa /usr/libexec/ 353being available. 354.It Sy /mnt/ 355empty directory commonly used by 356system administrators as a temporary mount point 357.It Sy /netbsd 358pure kernel executable (the operating system loaded into memory 359at boot time). 360.It Sy /rescue/ 361statically linked rescue tools, for use in system recovery 362.It Sy /root/ 363home directory for the super-user 364.Pp 365.Bl -tag -width ".profile" -compact 366.It Sy \&.cshrc 367super-user start-up file 368.It Sy \&.login 369super-user start-up file 370.It Sy \&.profile 371super-user start-up file 372.It Sy \&.rhosts 373super-user id mapping between machines 374.El 375.ne 1i 376.It Sy /sbin/ 377system programs and administration utilities 378used in both single-user and multi-user environments 379.It Sy /stand/ 380programs used in a standalone environment 381.It Sy /tmp/ 382temporary files, usually a 383.Xr mfs 8 384memory-based filesystem (the contents of 385.Pa /tmp 386are usually 387.Em not 388preserved across a system reboot) 389.It Sy /usr/ 390contains the majority of the system utilities and files 391.Pp 392.Bl -tag -width "libdata/" -compact 393.It Sy X11R6/ 394X11 files 395.Pp 396.Bl -tag -width "include/" -compact 397.It Sy bin/ 398X11 binaries 399.It Sy include/ 400X11 include files 401.It Sy lib/ 402X11 libraries 403.El 404.Pp 405.It Sy bin/ 406common utilities, programming tools, and applications 407.It Sy games/ 408the important stuff 409.It Sy include/ 410standard C include files 411.Pp 412.Bl -tag -width "protocols/" -compact 413.It Sy arpa/ 414include files for Internet service protocols 415.It Sy atf/ 416include files for the Automated Testing Framework; see 417.Xr atf 1 418.It Sy g++/ 419include files for the C++ compiler 420.It Sy machine/ 421machine specific include files 422.It Sy net/ 423.It Sy netatalk/ 424C include files for AppleTalk protocols 425miscellaneous network include files; 426see 427.Xr atalk 4 428.It Sy netinet/ 429include files for Internet standard protocols; see 430.Xr inet 4 431.It Sy netinet6/ 432include files for Internet protocol version 6; see 433.Xr inet6 4 434.It Sy netiso/ 435include files for ISO standard protocols; see 436.Xr iso 4 437.It Sy netkey/ 438include files for secret key management, used for security protocols; see 439.Xr ipsec 4 440.It Sy netnatm/ 441C include files for native mode ATM 442.It Sy nfs/ 443C include files for NFS (Network File System) 444.It Sy protocols/ 445C include files for Berkeley service protocols 446.It Sy sys/ 447system C include files (kernel data structures) 448.It Sy ufs/ 449C include files for UFS (The U-word File System) 450.El 451.Pp 452.It Sy lib/ 453archive, profiled, position independent archive, and shared libraries 454.It Sy libdata/ 455miscellaneous utility data files 456.It Sy libexec/ 457system daemons \*[Am] system utilities (executed by other programs) 458.Pp 459.Bl -tag -width "uucp/" -compact 460.It Sy uucp/ 461UUCP binaries and scripts (historically placed; to be moved) 462.El 463.Pp 464.It Sy lkm/ 465loadable kernel modules 466.It Sy mdec/ 467boot blocks, etc. 468.It Sy obj/ 469architecture-specific target tree produced by building the 470.Pa /usr/src 471tree; normally a symbolic link or mounted filesystem 472.It Sy pkg/ 473packages maintained by groups other than the 474.Nx 475Project. 476.Pp 477.Bl -tag -width "include/" -compact 478.It Sy bin/ 479contributed binaries 480.It Sy include/ 481contributed include files 482.It Sy lib/ 483contributed libraries 484.It Sy libdata/ 485contributed data files 486.It Sy libexec/ 487contributed daemons 488.It Sy sbin/ 489contributed system utilities 490.El 491.Pp 492.It Sy pkgsrc/ 493build descriptions ("packages") for the 494.Nx 495packages system. 496.Pp 497.Bl -tag -width "distfilesX" -compact 498.It Sy distfiles/ 499Where unchanged source archives are fetched to/stored 500.It Sy packages/ 501Where compiled binary packages are stored 502.El 503.Pp 504There are also several other subdirectories which contain packages of 505a certain category, e.g., archivers, graphics, ... 506.Pp 507.It Sy sbin/ 508system daemons and system utilities (normally executed by the super-user) 509.It Sy share/ 510architecture-independent text files 511.Pp 512.Bl -tag -width "calendar/" -compact 513.It Sy calendar/ 514a variety of calendar files; see 515.Xr calendar 1 516.It Sy dict/ 517word lists; 518see 519.Xr look 1 520and 521.Xr spell 1 522.Pp 523.Bl -tag -width "special/" -compact 524.It Sy words 525common words 526.It Sy web2 527words of Webster's 2nd International 528.It Sy papers/ 529reference databases; 530see 531.Xr refer 1 532.It Sy special/ 533custom word lists; 534see 535.Xr spell 1 536.El 537.Pp 538.It Sy doc/ 539miscellaneous documentation; source for most of the printed 540.Bx 4.3 541manuals (available 542from the 543.Tn USENIX 544association) 545.It Sy games/ 546text files used by various games 547.It Sy i18n/ 548internationalization databases; see 549.Xr iconv 3 550.It Sy lkm/ 551documentation on the loadable kernel modules interface 552.It Sy locale/ 553locale databases and gettext message catalogs; see 554.Xr setlocale 3 555and 556.Xr gettext 3 557.It Sy man/ 558formatted manual pages 559.It Sy me/ 560macros for use with the 561.Xr me 7 562macro package 563.It Sy misc/ 564miscellaneous system-wide text files 565.Pp 566.Bl -tag -width "termcap" -compact 567.It Sy termcap 568terminal characteristics database; 569see 570.Xr termcap 5 571.El 572.Pp 573.It Sy mk/ 574include files for 575.Xr make 1 576.It Sy ms/ 577macros for use with the 578.Xr ms 7 579macro package 580.It Sy nls/ 581message catalogs; see 582.Xr catgets 3 583.It Sy skel/ 584sample initialization files for new user accounts 585.It Sy tabset/ 586tab description files for a variety of terminals, used in 587the termcap file; 588see 589.Xr termcap 5 590.It Sy tmac/ 591text processing macros; 592see 593.Xr nroff 1 594and 595.Xr troff 1 596.It Sy zoneinfo/ 597timezone configuration information; 598see 599.Xr tzfile 5 600.El 601.It Sy tests/ 602test programs; see 603.Xr atf-run 1 604for information on how to run them 605.El 606.Pp 607.It Sy /usr/src/ 608.Nx 609and local source files 610.Pp 611.Bl -tag -width "domestic/" -compact 612.It Sy bin/ 613source for utilities/files in 614.Pa /bin 615.It Sy common/ 616sources shared between kernel and userland 617.It Sy crypto/ 618cryptographic source, which may have import or export restrictions 619.It Sy dist/ 620third-party 621.Sq virgin 622source code, referenced by other parts of the source tree 623.It Sy distrib/ 624tools and data-files for making distributions 625.It Sy doc/ 626documentation about the source tree (i.e., about the tree, not about 627how to use the built software.) 628.It Sy etc/ 629source (usually example files) for files in 630.Pa /etc 631.It Sy games/ 632source for utilities/files in 633.Pa /usr/games 634.It Sy gnu/ 635source for programs covered by the 636.Tn GNU 637license (or similar) 638.It Sy include/ 639source for files in 640.Pa /usr/include 641.It Sy lib/ 642source for libraries in 643.Pa /usr/lib 644.It Sy libexec/ 645source for utilities/files in 646.Pa /usr/libexec 647.It Sy regress/ 648various regression tests 649.It Sy rescue/ 650source/makefiles for /rescue 651.It Sy sbin/ 652source for utilities/files in 653.Pa /sbin 654.It Sy share/ 655source for files in 656.Pa /usr/share 657.Pp 658.Bl -tag -width "doc/" -compact 659.It Sy doc/ 660.Pp 661.Bl -tag -width "papers/" -compact 662.It Sy papers/ 663source for various Berkeley technical papers 664.It Sy psd/ 665source for Programmer's Supplementary Documents 666.It Sy smm/ 667source for System Manager's Manual 668.It Sy usd/ 669source for User's Supplementary Documents 670.Pp 671.El 672.El 673.It Sy sys/ 674kernel source files 675.Pp 676.Bl -tag -width "gdbscripts/" -compact 677.It Sy arch/ 678architecture-specific support 679.Pp 680.Bl -tag -width "playstation2/" -compact 681.It Sy acorn26/ 682Acorn Archimedes, A-series and R-series systems 683.It Sy acorn32/ 684Acorn RiscPC/A7000 and VLSI RC7500 685.It Sy algor/ 686Algorithmics Ltd. MIPS evaluations boards 687.It Sy alpha/ 688Digital/Compaq Alpha 689.It Sy amd64/ 690Computers with x86_64 capable CPUs 691.It Sy amiga/ 692Commodore Amiga and MacroSystem DraCo 693.It Sy amigappc/ 694PowerPC based Amiga boards 695.It Sy arc/ 696MIPS-based machines following the Advanced RISC Computing spec 697.It Sy arm/ 698ARM processor general support 699.It Sy atari/ 700Atari TT030, Falcon and Hades 701.It Sy bebox/ 702Be Inc. BeBox 703.It Sy cats/ 704Chalice Technology's CATS and Intel's EBSA-285 evaluation boards 705.It Sy cesfic/ 706CES FIC8234 VME processor board 707.It Sy cobalt/ 708Cobalt Networks' MIPS-based Microserver 709.It Sy dreamcast/ 710Sega Dreamcast game console 711.It Sy evbarm/ 712ARM based evaluation boards 713.It Sy evbmips/ 714MIPS based evaluation boards 715.It Sy evbppc/ 716PowerPC based evaluation boards and appliances 717.It Sy evbsh3/ 718SH3/SH4 based evaluation boards 719.It Sy ews4800mips/ 720NEC's MIPS based EWS4800 workstations 721.It Sy hp300/ 722Hewlett-Packard 9000/300 and 400 680x0-based workstations 723.It Sy hp700/ 724Hewlett-Packard 9000/700 HPPA based workstations 725.It Sy hpcarm/ 726StrongARM based WinCE PDA machines 727.It Sy hpcmips/ 728MIPS based WinCE PDA machines 729.It Sy hpcsh/ 730Hitachi SH3/4 based WinCE PDA machines 731.It Sy hppa/ 732HPPA processor general support 733.It Sy i386/ 73480x86-based IBM PCs and clones 735.It Sy ibmnws/ 736IBM Network Station 1000 737.It Sy iyonix/ 738Castle Technology's Iyonix ARM based PCs 739.It Sy luna68k/ 740Omron Tateishi Electric's 680x0-based LUNA workstations 741.It Sy m68k/ 742680x0 processor general support 743.It Sy mac68k/ 744Apple Macintosh with 68k CPU 745.It Sy macppc/ 746Apple Power Macintosh and clones 747.It Sy mips/ 748MIPS processor general support 749.It Sy mipsco/ 750MIPS Computer Systems Inc. family of workstations and servers 751.It Sy mmeye/ 752Brains Inc. SH3 based mmEye multimedia server 753.It Sy mvme68k/ 754Motorola MVME 680x0-based SBCs 755.It Sy mvmeppc/ 756Motorola PowerPC VME SBCs 757.It Sy netwinder/ 758StrongARM based NetWinder machines 759.It Sy news68k/ 760Sony's 680x0-based NEWS workstations 761.It Sy newsmips/ 762Sony's MIPS-based NEWS workstations 763.It Sy next68k/ 764NeXT 68k "black" hardware 765.It Sy ofppc/ 766Open Firmware PowerPC workstations 767.It Sy playstation2/ 768SONY PlayStation 2 769.It Sy pmax/ 770Digital MIPS-based DECstations and DECsystems 771.It Sy powerpc/ 772PowerPC processor support 773.It Sy prep/ 774PReP (PowerPC Reference Platform) and CHRP machines 775.It Sy sandpoint/ 776Motorola Sandpoint reference platform 777.It Sy sbmips/ 778Broadcom/SiByte evaluation boards 779.It Sy sgimips/ 780Silicon Graphics' MIPS-based workstations 781.It Sy sh3/ 782SH3/SH4 processor general support 783.It Sy shark/ 784Digital DNARD ("Shark") 785.It Sy sparc/ 786Sun Microsystems SPARC (32-bit) and UltraSPARC (in 32-bit mode) 787.It Sy sparc64/ 788Sun Microsystems UltraSPARC (in native 64-bit mode) 789.It Sy sun2/ 790Sun Microsystems 68010-based Sun 2 architecture 791.It Sy sun3/ 792Sun Microsystems 68020/68030-based Sun 3/3x architecture 793.It Sy sun68k/ 794680x0-based Sun architecture general support 795.It Sy vax/ 796Digital VAX 797.It Sy x68k/ 798Sharp X680x0 680x0-based workstations 799.It Sy x86/ 800General support for PC/AT compatibles with ia32 or x86_64 CPUs 801.It Sy xen/ 802The Xen virtual machine monitor 803.It Sy zaurus/ 804Sharp C3x00 Arm based PDA 805.El 806.Pp 807.It Sy compat/ 808kernel compatibility modules directory 809.Pp 810.Bl -tag -width "ossaudio/" -compact 811.It Sy common/ 812common compatibility routines, old 813.Bx 4 814and 815.Nx 816routines. 817.It Sy freebsd/ 818support for 819.Fx 820binaries; see 821.Xr compat_freebsd 8 822.It Sy hpux/ 823support for 68000 HP-UX binaries 824.It Sy ibcs2/ 825support for Intel Binary binaries 826.It Sy linux/ 827support for Linux binaries; see 828.Xr compat_linux 8 829.It Sy m68k4k/ 830support for 4KB page 68000 binaries 831.It Sy netbsd32/ 832support for 833.Nx 83432-bit binaries on 64 bit platforms with compatible CPU families 835.It Sy osf1/ 836support for 837.Tn Digital 838.Ux 839.Po 840formerly 841.Tn OSF/1 842.Pc 843binaries 844.It Sy ossaudio/ 845support for OSS audio 846.It Sy pecoff/ 847support for 848.Tn Win32 849binaries; see 850.Xr compat_pecoff 8 851.It Sy sunos/ 852support for 853.Tn SunOS 4.x 854binaries; see 855.Xr compat_sunos 8 856.It Sy svr4/ 857support for System V Release 4 binaries; see 858.Xr compat_svr4 8 859.It Sy ultrix/ 860support for 861.Tn ULTRIX 862binaries 863.It Sy vax1k/ 864support for older VAX binaries that started on a 1 KB boundary 865.El 866.Pp 867.It Sy conf/ 868architecture independent configuration directory 869.It Sy crypto/ 870cryptographic kernel source, which may have import or export restrictions 871.It Sy ddb/ 872in kernel debugger 873.It Sy dev/ 874architecture independent device support 875.It Sy fs/ 876miscellaneous file systems 877.Bl -tag -width "filecorefs/" -compact 878.It Sy adosfs/ 879AmigaDOS file-system support; see 880.Xr mount_ados 8 881.It Sy cd9660/ 882support for the ISO-9660 filesystem; see 883.Xr mount_cd9660 8 884.It Sy filecorefs/ 885support for the Acorn RISC OS filecore filesystem; see 886.Xr mount_filecore 8 887.It Sy msdosfs/ 888.Tn MS-DOS 889file system; see 890.Xr mount_msdos 8 891.It Sy ntfs/ 892NTFS filesystem support; see 893.Xr mount_ntfs 8 894.It Sy ptyfs/ 895pseudo-terminal device filesystem; see 896.Xr mount_ptyfs 8 897.It Sy smbfs/ 898SMB/CIFS filesystem support; see 899.Xr mount_smbfs 8 900.It Sy union/ 901union file system; see 902.Xr mount_union 8 903.El 904.It Sy gdbscripts/ 905support for accessing kernel structures from within the debugger 906.Xr gdb 1 . 907.It Sy ipkdb/ 908support for kernel debugging over the network 909.Pp 910.It Sy kern/ 911support for the high kernel (system calls) 912.It Sy lib/ 913kernel libraries 914.Pp 915.Bl -tag -width "libkern/" -compact 916.It Sy libkern/ 917C library routines used in the kernel 918.It Sy libsa/ 919machine independent stand alone kernel library 920.It Sy libz/ 921compression library 922.El 923.Pp 924.It Sy lkm/ 925loadable kernel modules 926.Pp 927.Bl -tag -width "gdbscripts/" -compact 928.It Sy compat/ 929LKM support compatibility modules; currently unsupported. 930.It Sy netinet/ 931LKM support networking modules 932.Pp 933.Bl -tag -width "if_ipl/" -compact 934.It Sy if_ipl/ 935LKM for IP-Filter 936.El 937.Pp 938.It Sy vfs/ 939LKM support for file systems. 940.El 941.Pp 942.It Sy miscfs/ 943miscellaneous file systems 944.Pp 945.Bl -tag -width "deadfs/" -compact 946.It Sy deadfs/ 947kernel only dead file system 948.It Sy fdesc/ 949file descriptor file system; see 950.Xr mount_fdesc 8 951.It Sy fifofs/ 952POSIX FIFO support 953.It Sy genfs/ 954kernel only generic file system 955.It Sy kernfs/ 956kernel namespace file system; see 957.Xr mount_kernfs 8 958.It Sy nullfs/ 959loop back file system; see 960.Xr mount_null 8 961.It Sy overlay/ 962overlay file system; see 963.Xr mount_overlay 8 964.It Sy portal/ 965portal file system; see 966.Xr mount_portal 8 967.It Sy procfs/ 968process file system; see 969.Xr mount_procfs 8 970.It Sy specfs/ 971kernel only special file system 972.It Sy syncfs/ 973kernel trickle sync algorithm 974.It Sy umapfs/ 975user and group re-mapping file system; see 976.Xr mount_umap 8 977.El 978.Pp 979.It Sy net/ 980miscellaneous networking support 981.It Sy netatalk/ 982AppleTalk networking support 983.It Sy netinet/ 984IP networking support 985.It Sy netinet6/ 986IPv6 networking support 987.It Sy netiso/ 988ISO networking support 989.It Sy netkey/ 990Key database for IPsec networking support 991.It Sy netnatm/ 992ATM networking support 993.It Sy nfs/ 994NFS support 995.It Sy stand/ 996kernel standalone support 997.It Sy sys/ 998kernel (and system) include files 999.It Sy ufs/ 1000local filesystem support 1001.Pp 1002.Bl -tag -width "ffs/" -compact 1003.It Sy ffs/ 1004the Berkeley Fast File System 1005.It Sy lfs/ 1006the log-structured file system 1007.It Sy mfs/ 1008the in-memory file system 1009.It Sy ufs/ 1010shared 1011.Ux 1012file system support 1013.El 1014.It Sy uvm/ 1015UVM virtual memory system 1016.El 1017.It Sy tests/ 1018source for test programs in 1019.Pa /usr/tests 1020.It Sy usr.bin/ 1021source for utilities/files in 1022.Pa /usr/bin 1023.It Sy usr.sbin/ 1024source for utilities/files in 1025.Pa /usr/sbin 1026.El 1027.It Sy /var/ 1028multi-purpose log, temporary, transient, and spool files 1029.Pp 1030.Bl -tag -width "preserve/" -compact 1031.It Sy account/ 1032system accounting files 1033.Pp 1034.Bl -tag -width "acct" -compact 1035.It Sy acct 1036execution accounting file; 1037see 1038.Xr acct 5 1039.El 1040.Pp 1041.It Sy at/ 1042timed command scheduling files; 1043see 1044.Xr at 1 1045.It Sy backups/ 1046miscellaneous backup files, largely of files found in 1047.Pa /etc 1048.It Sy chroot/ 1049home directories of applications which are run in a 1050.Xr chroot 8 1051.Dq cage . 1052.It Sy crash/ 1053system crash dumps; see 1054.Xr savecore 8 1055.It Sy cron/ 1056scheduled commands configuration files; see 1057.Xr cron 8 1058.It Sy db/ 1059miscellaneous automatically generated system-specific database files, 1060and persistent files used in the maintenance of third party software. 1061.Pp 1062.Bl -tag -width "monthly.out" -compact 1063.It Sy pkg 1064default location for metadata related to third party software 1065packages. 1066See 1067.Xr pkg_install 1 1068for more details of the 1069.Nx 1070Packages Collection, or pkgsrc. 1071.El 1072.Pp 1073.It Sy games/ 1074miscellaneous game status and log files 1075.It Sy heimdal/ 1076Kerberos 5 KDC database; see 1077.Xr kdc 8 1078.It Sy log/ 1079miscellaneous system log files 1080.Pp 1081.Bl -tag -width "monthly.out" -compact 1082.It Sy amd.* 1083.Xr amd 8 1084logs 1085.It Sy daily.out 1086output of the last run of the 1087.Pa /etc/daily 1088script 1089.It Sy ftp.* 1090.Xr ftp 1 1091logs 1092.It Sy kerberos.* 1093.Xr kerberos 8 1094logs 1095.It Sy lastlog 1096system last time logged in log; see 1097.Xr utmp 5 1098.It Sy lpd-errs.* 1099printer daemon error logs; see 1100.Xr lpd 8 1101.It Sy maillog.* 1102.Xr sendmail 8 1103log files 1104.It Sy messages.* 1105general system information log 1106.It Sy monthly.out 1107output of the last run of the 1108.Pa /etc/monthly 1109script 1110.It Sy secure 1111sensitive security information log 1112.It Sy sendmail.st 1113.Xr sendmail 8 1114statistics 1115.It Sy timed.* 1116.Xr timed 8 1117logs 1118.It Sy weekly.out 1119output of the last run of the 1120.Pa /etc/weekly 1121script 1122.It Sy wtmp 1123login/logout log; 1124see 1125.Xr utmp 5 1126.El 1127.Pp 1128.It Sy mail/ 1129user system mailboxes 1130.It Sy msgs/ 1131system messages; see 1132.Xr msgs 1 1133.\" since we use nvi (now called vi) this isn't the place any more, is it? 1134.It Sy preserve/ 1135temporary home of files preserved after an accidental death of 1136.Xr ex 1 1137or 1138.Xr vi 1 1139.It Sy quotas/ 1140filesystem quota information 1141.It Sy run/ 1142system information files, rebuilt after each reboot 1143.Pp 1144.Bl -tag -width "utmp" -compact 1145.It Sy utmp 1146database of current users; see 1147.Xr utmp 5 1148.El 1149.Pp 1150.It Sy rwho/ 1151rwho data files; see 1152.Xr rwhod 8 , 1153.Xr rwho 1 , 1154and 1155.Xr ruptime 1 1156.It Sy spool/ 1157miscellaneous printer and mail system spooling directories 1158.Pp 1159.Bl -tag -width "uucppublic/" -compact 1160.It Sy ftp/ 1161commonly 1162.Dq ~ftp , 1163the anonymous ftp root directory; see 1164.Xr ftpd 8 1165.It Sy mqueue/ 1166sendmail mail queue; 1167see 1168.Xr sendmail 8 1169.It Sy news/ 1170Network news archival and spooling directories 1171.It Sy output/ 1172printer spooling directories 1173.It Sy postfix/ 1174postfix mail queue; 1175see 1176.Xr postfix 1 1177.It Sy uucp/ 1178uucp spool directory 1179.It Sy uucppublic/ 1180commonly 1181.Dq ~uucp , 1182the uucp public temporary directory; see 1183.Xr uucp 1 1184.El 1185.Pp 1186.It Sy tmp/ 1187temporary files that are not discarded between system reboots 1188.Pp 1189.Bl -tag -width "vi.recover/" -compact 1190.It Sy vi.recover/ 1191recovery directory for new 1192.Xr vi 1 1193.El 1194.Pp 1195.It Sy yp/ 1196Databases and configuration for the NIS (YP) system; see 1197.Xr nis 8 . 1198.El 1199.El 1200.Sh SEE ALSO 1201.Xr apropos 1 , 1202.Xr ls 1 , 1203.Xr whatis 1 , 1204.Xr whereis 1 , 1205.Xr which 1 1206.Sh HISTORY 1207A 1208.Nm 1209manual page appeared in 1210.At v7 . 1211