1.\" $NetBSD: hier.7,v 1.71 2006/03/23 20:08:31 wiz 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 March 23, 2006 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 g++/ 416include files for the C++ compiler 417.It Sy machine/ 418machine specific include files 419.It Sy net/ 420.It Sy netatalk/ 421C include files for AppleTalk protocols 422miscellaneous network include files; 423see 424.Xr atalk 4 425.It Sy netccitt/ 426CCITT networking include files 427.It Sy netinet/ 428include files for Internet standard protocols; see 429.Xr inet 4 430.It Sy netinet6/ 431include files for Internet protocol version 6; see 432.Xr inet6 4 433.It Sy netiso/ 434include files for ISO standard protocols; see 435.Xr iso 4 436.It Sy netkey/ 437include files for secret key management, used for security protocols; see 438.Xr ipsec 4 439.It Sy netnatm/ 440C include files for native mode ATM 441.It Sy netns/ 442C include files for XNS standard protocols; see 443.Xr ns 4 444.It Sy nfs/ 445C include files for NFS (Network File System) 446.It Sy protocols/ 447C include files for Berkeley service protocols 448.It Sy sys/ 449system C include files (kernel data structures) 450.It Sy ufs/ 451C include files for UFS (The U-word File System) 452.El 453.Pp 454.It Sy lib/ 455archive, profiled, position independent archive, and shared libraries 456.It Sy libdata/ 457miscellaneous utility data files 458.It Sy libexec/ 459system daemons \*[Am] system utilities (executed by other programs) 460.Pp 461.Bl -tag -width "uucp/" -compact 462.It Sy uucp/ 463UUCP binaries and scripts (historically placed; to be moved) 464.El 465.Pp 466.It Sy lkm/ 467loadable kernel modules 468.It Sy mdec/ 469boot blocks, etc. 470.It Sy obj/ 471architecture-specific target tree produced by building the 472.Pa /usr/src 473tree; normally a symbolic link or mounted filesystem 474.It Sy pkg/ 475packages maintained by groups other than the 476.Nx 477Project. 478.Pp 479.Bl -tag -width "include/" -compact 480.It Sy bin/ 481contributed binaries 482.It Sy include/ 483contributed include files 484.It Sy lib/ 485contributed libraries 486.It Sy libdata/ 487contributed data files 488.It Sy libexec/ 489contributed daemons 490.It Sy sbin/ 491contributed system utilities 492.El 493.Pp 494.It Sy pkgsrc/ 495build descriptions ("packages") for the 496.Nx 497packages system. 498.Pp 499.Bl -tag -width "distfilesX" -compact 500.It Sy distfiles/ 501Where unchanged source archives are fetched to/stored 502.It Sy packages/ 503Where compiled binary packages are stored 504.El 505.Pp 506There are also several other subdirectories which contain packages of 507a certain category, e.g., archivers, graphics, ... 508.Pp 509.It Sy sbin/ 510system daemons and system utilities (normally executed by the super-user) 511.It Sy share/ 512architecture-independent text files 513.Pp 514.Bl -tag -width "calendar/" -compact 515.It Sy calendar/ 516a variety of calendar files; see 517.Xr calendar 1 518.It Sy dict/ 519word lists; 520see 521.Xr look 1 522and 523.Xr spell 1 524.Pp 525.Bl -tag -width "special/" -compact 526.It Sy words 527common words 528.It Sy web2 529words of Webster's 2nd International 530.It Sy papers/ 531reference databases; 532see 533.Xr refer 1 534.It Sy special/ 535custom word lists; 536see 537.Xr spell 1 538.El 539.Pp 540.It Sy doc/ 541miscellaneous documentation; source for most of the printed 542.Bx 4.3 543manuals (available 544from the 545.Tn USENIX 546association) 547.It Sy games/ 548text files used by various games 549.It Sy i18n/ 550internationalization databases; see 551.Xr iconv 3 552.It Sy lkm/ 553documentation on the loadable kernel modules interface 554.It Sy locale/ 555locale databases and gettext message catalogs; see 556.Xr setlocale 3 557and 558.Xr gettext 3 559.It Sy man/ 560formatted manual pages 561.It Sy me/ 562macros for use with the 563.Xr me 7 564macro package 565.It Sy misc/ 566miscellaneous system-wide text files 567.Pp 568.Bl -tag -width "termcap" -compact 569.It Sy termcap 570terminal characteristics database; 571see 572.Xr termcap 5 573.El 574.Pp 575.It Sy mk/ 576include files for 577.Xr make 1 578.It Sy ms/ 579macros for use with the 580.Xr ms 7 581macro package 582.It Sy nls/ 583message catalogs; see 584.Xr catgets 3 585.It Sy skel/ 586sample initialization files for new user accounts 587.It Sy tabset/ 588tab description files for a variety of terminals, used in 589the termcap file; 590see 591.Xr termcap 5 592.It Sy tmac/ 593text processing macros; 594see 595.Xr nroff 1 596and 597.Xr troff 1 598.It Sy zoneinfo/ 599timezone configuration information; 600see 601.Xr tzfile 5 602.El 603.El 604.Pp 605.It Sy /usr/src/ 606.Nx 607and local source files 608.Pp 609.Bl -tag -width "domestic/" -compact 610.It Sy bin/ 611source for utilities/files in 612.Pa /bin 613.It Sy common/ 614sources shared between kernel and userland 615.It Sy crypto/ 616cryptographic source, which may have import or export restrictions 617.It Sy dist/ 618third-party 619.Sq virgin 620source code, referenced by other parts of the source tree 621.It Sy distrib/ 622tools and data-files for making distributions 623.It Sy doc/ 624documentation about the source tree (i.e., about the tree, not about 625how to use the built software.) 626.It Sy etc/ 627source (usually example files) for files in 628.Pa /etc 629.It Sy games/ 630source for utilities/files in 631.Pa /usr/games 632.It Sy gnu/ 633source for programs covered by the 634.Tn GNU 635license (or similar) 636.It Sy include/ 637source for files in 638.Pa /usr/include 639.It Sy lib/ 640source for libraries in 641.Pa /usr/lib 642.It Sy libexec/ 643source for utilities/files in 644.Pa /usr/libexec 645.It Sy regress/ 646various regression tests 647.It Sy rescue/ 648source/makefiles for /rescue 649.It Sy sbin/ 650source for utilities/files in 651.Pa /sbin 652.It Sy share/ 653source for files in 654.Pa /usr/share 655.Pp 656.Bl -tag -width "doc/" -compact 657.It Sy doc/ 658.Pp 659.Bl -tag -width "papers/" -compact 660.It Sy papers/ 661source for various Berkeley technical papers 662.It Sy psd/ 663source for Programmer's Supplementary Documents 664.It Sy smm/ 665source for System Manager's Manual 666.It Sy usd/ 667source for User's Supplementary Documents 668.Pp 669.El 670.El 671.It Sy sys/ 672kernel source files 673.Pp 674.Bl -tag -width "gdbscripts/" -compact 675.It Sy arch/ 676architecture-specific support 677.Pp 678.Bl -tag -width "playstation2/" -compact 679.It Sy acorn26/ 680Acorn Archimedes, A-series and R-series systems 681.It Sy acorn32/ 682Acorn RiscPC/A7000 and VLSI RC7500 683.It Sy algor/ 684Algorithmics Ltd. MIPS evaluations boards 685.It Sy alpha/ 686Digital/Compaq Alpha 687.It Sy amd64/ 688Computers with x86_64 capable CPUs 689.It Sy amiga/ 690Commodore Amiga and MacroSystem DraCo 691.It Sy amigappc/ 692PowerPC based Amiga boards 693.It Sy arc/ 694MIPS-based machines following the Advanced RISC Computing spec 695.It Sy arm/ 696ARM processor general support 697.It Sy atari/ 698Atari TT030, Falcon and Hades 699.It Sy bebox/ 700Be Inc. BeBox 701.It Sy cats/ 702Chalice Technology's CATS and Intel's EBSA-285 evaluation boards 703.It Sy cesfic/ 704CES FIC8234 VME processor board 705.It Sy cobalt/ 706Cobalt Networks' MIPS-based Microserver 707.It Sy dreamcast/ 708Sega Dreamcast game console 709.It Sy evbarm/ 710ARM based evaluation boards 711.It Sy evbmips/ 712MIPS based evaluation boards 713.It Sy evbppc/ 714PowerPC based evaluation boards and appliances 715.It Sy evbsh3/ 716SH3/SH4 based evaluation boards 717.It Sy evbsh5/ 718SH5 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 pc532/ 768The NS32532-based PC532 computer 769.It Sy playstation2/ 770SONY PlayStation 2 771.It Sy pmax/ 772Digital MIPS-based DECstations and DECsystems 773.It Sy pmppc/ 774Artesyn's PM/PPC board 775.It Sy powerpc/ 776PowerPC processor support 777.It Sy prep/ 778PReP (PowerPC Reference Platform) and CHRP machines 779.It Sy sandpoint/ 780Motorola Sandpoint reference platform 781.It Sy sbmips/ 782Broadcom/SiByte evaluation boards 783.It Sy sgimips/ 784Silicon Graphics' MIPS-based workstations 785.It Sy sh3/ 786SH3/SH4 processor general support 787.It Sy sh5/ 788SH5 processor general support 789.It Sy shark/ 790Digital DNARD ("Shark") 791.It Sy sparc/ 792Sun Microsystems SPARC (32-bit) and UltraSPARC (in 32-bit mode) 793.It Sy sparc64/ 794Sun Microsystems UltraSPARC (in native 64-bit mode) 795.It Sy sun2/ 796Sun Microsystems 68010-based Sun 2 architecture 797.It Sy sun3/ 798Sun Microsystems 68020/68030-based Sun 3/3x architecture 799.It Sy sun68k/ 800680x0-based Sun architecture general support 801.It Sy vax/ 802Digital VAX 803.It Sy x68k/ 804Sharp X680x0 680x0-based workstations 805.It Sy x86/ 806General support for PC/AT compatibles with ia32 or x86_64 CPUs 807.It Sy xen/ 808The Xen virtual machine monitor 809.El 810.Pp 811.It Sy compat/ 812kernel compatibility modules directory 813.Pp 814.Bl -tag -width "ossaudio/" -compact 815.It Sy common/ 816common compatibility routines, old 817.Bx 4 818and 819.Nx 820routines. 821.It Sy freebsd/ 822support for 823.Fx 824binaries; see 825.Xr compat_freebsd 8 826.It Sy hpux/ 827support for 68000 HP-UX binaries 828.It Sy ibcs2/ 829support for Intel Binary binaries 830.It Sy linux/ 831support for Linux binaries; see 832.Xr compat_linux 8 833.It Sy m68k4k/ 834support for 4KB page 68000 binaries 835.It Sy netbsd32/ 836support for 837.Nx 83832-bit binaries on 64 bit platforms with compatible CPU families 839.It Sy osf1/ 840support for 841.Tn Digital 842.Ux 843.Po 844formerly 845.Tn OSF/1 846.Pc 847binaries 848.It Sy ossaudio/ 849support for OSS audio 850.It Sy pecoff/ 851support for 852.Tn Win32 853binaries; see 854.Xr compat_pecoff 8 855.It Sy sunos/ 856support for 857.Tn SunOS 4.x 858binaries; see 859.Xr compat_sunos 8 860.It Sy svr4/ 861support for System V Release 4 binaries; see 862.Xr compat_svr4 8 863.It Sy ultrix/ 864support for 865.Tn ULTRIX 866binaries 867.It Sy vax1k/ 868support for older VAX binaries that started on a 1 KB boundary 869.El 870.Pp 871.It Sy conf/ 872architecture independent configuration directory 873.It Sy crypto/ 874cryptographic kernel source, which may have import or export restrictions 875.It Sy ddb/ 876in kernel debugger 877.It Sy dev/ 878architecture independent device support 879.It Sy fs/ 880miscellaneous file systems 881.Bl -tag -width "filecorefs/" -compact 882.It Sy adosfs/ 883AmigaDOS file-system support; see 884.Xr mount_ados 8 885.It Sy cd9660/ 886support for the ISO-9660 filesystem; see 887.Xr mount_cd9660 8 888.It Sy filecorefs/ 889support for the Acorn RISC OS filecore filesystem; see 890.Xr mount_filecore 8 891.It Sy msdosfs/ 892.Tn MS-DOS 893file system; see 894.Xr mount_msdos 8 895.It Sy ntfs/ 896NTFS filesystem support; see 897.Xr mount_ntfs 8 898.It Sy ptyfs/ 899pseudo-terminal device filesystem; see 900.Xr mount_ptyfs 8 901.It Sy smbfs/ 902SMB/CIFS filesystem support; see 903.Xr mount_smbfs 8 904.It Sy union/ 905union file system; see 906.Xr mount_union 8 907.El 908.It Sy gdbscripts/ 909support for accessing kernel structures from within the debugger 910.Xr gdb 1 . 911.It Sy ipkdb/ 912support for kernel debugging over the network 913.Pp 914.It Sy kern/ 915support for the high kernel (system calls) 916.It Sy lib/ 917kernel libraries 918.Pp 919.Bl -tag -width "libkern/" -compact 920.It Sy libkern/ 921C library routines used in the kernel 922.It Sy libsa/ 923machine independent stand alone kernel library 924.It Sy libz/ 925compression library 926.El 927.Pp 928.It Sy lkm/ 929loadable kernel modules 930.Pp 931.Bl -tag -width "gdbscripts/" -compact 932.It Sy compat/ 933LKM support compatibility modules; currently unsupported. 934.It Sy netinet/ 935LKM support networking modules 936.Pp 937.Bl -tag -width "if_ipl/" -compact 938.It Sy if_ipl/ 939LKM for IP-Filter 940.El 941.Pp 942.It Sy vfs/ 943LKM support for file systems. 944.El 945.Pp 946.It Sy miscfs/ 947miscellaneous file systems 948.Pp 949.Bl -tag -width "deadfs/" -compact 950.It Sy deadfs/ 951kernel only dead file system 952.It Sy fdesc/ 953file descriptor file system; see 954.Xr mount_fdesc 8 955.It Sy fifofs/ 956POSIX FIFO support 957.It Sy genfs/ 958kernel only generic file system 959.It Sy kernfs/ 960kernel namespace file system; see 961.Xr mount_kernfs 8 962.It Sy nullfs/ 963loop back file system; see 964.Xr mount_null 8 965.It Sy overlay/ 966overlay file system; see 967.Xr mount_overlay 8 968.It Sy portal/ 969portal file system; see 970.Xr mount_portal 8 971.It Sy procfs/ 972process file system; see 973.Xr mount_procfs 8 974.It Sy specfs/ 975kernel only special file system 976.It Sy syncfs/ 977kernel trickle sync algorithm 978.It Sy umapfs/ 979user and group re-mapping file system; see 980.Xr mount_umap 8 981.El 982.Pp 983.It Sy net/ 984miscellaneous networking support 985.It Sy netatalk/ 986AppleTalk networking support 987.It Sy netccitt/ 988CCITT networking support 989.It Sy netinet/ 990IP networking support 991.It Sy netinet6/ 992IPv6 networking support 993.It Sy netiso/ 994ISO networking support 995.It Sy netkey/ 996Key database for IPsec networking support 997.It Sy netnatm/ 998ATM networking support 999.It Sy netns/ 1000XNS networking support 1001.It Sy nfs/ 1002NFS support 1003.It Sy stand/ 1004kernel standalone support 1005.It Sy sys/ 1006kernel (and system) include files 1007.It Sy ufs/ 1008local filesystem support 1009.Pp 1010.Bl -tag -width "ffs/" -compact 1011.It Sy ffs/ 1012the Berkeley Fast File System 1013.It Sy lfs/ 1014the log-structured file system 1015.It Sy mfs/ 1016the in-memory file system 1017.It Sy ufs/ 1018shared 1019.Ux 1020file system support 1021.El 1022.It Sy uvm/ 1023UVM virtual memory system 1024.El 1025.It Sy usr.bin/ 1026source for utilities/files in 1027.Pa /usr/bin 1028.It Sy usr.sbin/ 1029source for utilities/files in 1030.Pa /usr/sbin 1031.El 1032.It Sy /var/ 1033multi-purpose log, temporary, transient, and spool files 1034.Pp 1035.Bl -tag -width "preserve/" -compact 1036.It Sy account/ 1037system accounting files 1038.Pp 1039.Bl -tag -width "acct" -compact 1040.It Sy acct 1041execution accounting file; 1042see 1043.Xr acct 5 1044.El 1045.Pp 1046.It Sy at/ 1047timed command scheduling files; 1048see 1049.Xr at 1 1050.It Sy backups/ 1051miscellaneous backup files, largely of files found in 1052.Pa /etc 1053.It Sy chroot/ 1054home directories of applications which are run in a 1055.Xr chroot 8 1056.Dq cage . 1057.It Sy crash/ 1058system crash dumps; see 1059.Xr savecore 8 1060.It Sy cron/ 1061scheduled commands configuration files; see 1062.Xr cron 8 1063.It Sy db/ 1064miscellaneous automatically generated system-specific database files, 1065and persistent files used in the maintenance of third party software. 1066.Pp 1067.Bl -tag -width "monthly.out" -compact 1068.It Sy pkg 1069default location for metadata related to third party software 1070packages. 1071See 1072.Xr pkg_install 1 1073for more details of the 1074.Nx 1075Packages Collection, or pkgsrc. 1076.El 1077.Pp 1078.It Sy games/ 1079miscellaneous game status and log files 1080.It Sy heimdal/ 1081Kerberos 5 KDC database; see 1082.Xr kdc 8 1083.It Sy log/ 1084miscellaneous system log files 1085.Pp 1086.Bl -tag -width "monthly.out" -compact 1087.It Sy amd.* 1088.Xr amd 8 1089logs 1090.It Sy daily.out 1091output of the last run of the 1092.Pa /etc/daily 1093script 1094.It Sy ftp.* 1095.Xr ftp 1 1096logs 1097.It Sy kerberos.* 1098.Xr kerberos 8 1099logs 1100.It Sy lastlog 1101system last time logged in log; see 1102.Xr utmp 5 1103.It Sy lpd-errs.* 1104printer daemon error logs; see 1105.Xr lpd 8 1106.It Sy maillog.* 1107.Xr sendmail 8 1108log files 1109.It Sy messages.* 1110general system information log 1111.It Sy monthly.out 1112output of the last run of the 1113.Pa /etc/monthly 1114script 1115.It Sy secure 1116sensitive security information log 1117.It Sy sendmail.st 1118.Xr sendmail 8 1119statistics 1120.It Sy timed.* 1121.Xr timed 8 1122logs 1123.It Sy weekly.out 1124output of the last run of the 1125.Pa /etc/weekly 1126script 1127.It Sy wtmp 1128login/logout log; 1129see 1130.Xr utmp 5 1131.El 1132.Pp 1133.It Sy mail/ 1134user system mailboxes 1135.It Sy msgs/ 1136system messages; see 1137.Xr msgs 1 1138.\" since we use nvi (now called vi) this isn't the place any more, is it? 1139.It Sy preserve/ 1140temporary home of files preserved after an accidental death of 1141.Xr ex 1 1142or 1143.Xr vi 1 1144.It Sy quotas/ 1145filesystem quota information 1146.It Sy run/ 1147system information files, rebuilt after each reboot 1148.Pp 1149.Bl -tag -width "utmp" -compact 1150.It Sy utmp 1151database of current users; see 1152.Xr utmp 5 1153.El 1154.Pp 1155.It Sy rwho/ 1156rwho data files; see 1157.Xr rwhod 8 , 1158.Xr rwho 1 , 1159and 1160.Xr ruptime 1 1161.It Sy spool/ 1162miscellaneous printer and mail system spooling directories 1163.Pp 1164.Bl -tag -width "uucppublic/" -compact 1165.It Sy ftp/ 1166commonly 1167.Dq ~ftp , 1168the anonymous ftp root directory; see 1169.Xr ftpd 8 1170.It Sy mqueue/ 1171sendmail mail queue; 1172see 1173.Xr sendmail 8 1174.It Sy news/ 1175Network news archival and spooling directories 1176.It Sy output/ 1177printer spooling directories 1178.It Sy postfix/ 1179postfix mail queue; 1180see 1181.Xr postfix 1 1182.It Sy uucp/ 1183uucp spool directory 1184.It Sy uucppublic/ 1185commonly 1186.Dq ~uucp , 1187the uucp public temporary directory; see 1188.Xr uucp 1 1189.El 1190.Pp 1191.It Sy tmp/ 1192temporary files that are not discarded between system reboots 1193.Pp 1194.Bl -tag -width "vi.recover/" -compact 1195.It Sy vi.recover/ 1196recovery directory for new 1197.Xr vi 1 1198.El 1199.Pp 1200.It Sy yp/ 1201Databases and configuration for the NIS (YP) system; see 1202.Xr nis 8 . 1203.El 1204.El 1205.Sh SEE ALSO 1206.Xr apropos 1 , 1207.Xr ls 1 , 1208.Xr whatis 1 , 1209.Xr whereis 1 , 1210.Xr which 1 1211.Sh HISTORY 1212A 1213.Nm 1214manual page appeared in 1215.At v7 . 1216