1.\" $NetBSD: hier.7,v 1.82 2008/11/12 12:35:53 ad 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 May 22, 2008 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 mdec/ 465boot blocks, etc. 466.It Sy obj/ 467architecture-specific target tree produced by building the 468.Pa /usr/src 469tree; normally a symbolic link or mounted filesystem 470.It Sy pkg/ 471packages maintained by groups other than the 472.Nx 473Project. 474.Pp 475.Bl -tag -width "include/" -compact 476.It Sy bin/ 477contributed binaries 478.It Sy include/ 479contributed include files 480.It Sy lib/ 481contributed libraries 482.It Sy libdata/ 483contributed data files 484.It Sy libexec/ 485contributed daemons 486.It Sy sbin/ 487contributed system utilities 488.El 489.Pp 490.It Sy pkgsrc/ 491build descriptions ("packages") for the 492.Nx 493packages system. 494.Pp 495.Bl -tag -width "distfilesX" -compact 496.It Sy distfiles/ 497Where unchanged source archives are fetched to/stored 498.It Sy packages/ 499Where compiled binary packages are stored 500.El 501.Pp 502There are also several other subdirectories which contain packages of 503a certain category, e.g., archivers, graphics, ... 504.Pp 505.It Sy sbin/ 506system daemons and system utilities (normally executed by the super-user) 507.It Sy share/ 508architecture-independent text files 509.Pp 510.Bl -tag -width "calendar/" -compact 511.It Sy calendar/ 512a variety of calendar files; see 513.Xr calendar 1 514.It Sy dict/ 515word lists; 516see 517.Xr look 1 518and 519.Xr spell 1 520.Pp 521.Bl -tag -width "special/" -compact 522.It Sy words 523common words 524.It Sy web2 525words of Webster's 2nd International 526.It Sy papers/ 527reference databases; 528see 529.Xr refer 1 530.It Sy special/ 531custom word lists; 532see 533.Xr spell 1 534.El 535.Pp 536.It Sy doc/ 537miscellaneous documentation; source for most of the printed 538.Bx 4.3 539manuals (available 540from the 541.Tn USENIX 542association) 543.It Sy games/ 544text files used by various games 545.It Sy i18n/ 546internationalization databases; see 547.Xr iconv 3 548.It Sy locale/ 549locale databases and gettext message catalogs; see 550.Xr setlocale 3 551and 552.Xr gettext 3 553.It Sy man/ 554formatted manual pages 555.It Sy me/ 556macros for use with the 557.Xr me 7 558macro package 559.It Sy misc/ 560miscellaneous system-wide text files 561.Pp 562.Bl -tag -width "termcap" -compact 563.It Sy termcap 564terminal characteristics database; 565see 566.Xr termcap 5 567.El 568.Pp 569.It Sy mk/ 570include files for 571.Xr make 1 572.It Sy ms/ 573macros for use with the 574.Xr ms 7 575macro package 576.It Sy nls/ 577message catalogs; see 578.Xr catgets 3 579.It Sy skel/ 580sample initialization files for new user accounts 581.It Sy tabset/ 582tab description files for a variety of terminals, used in 583the termcap file; 584see 585.Xr termcap 5 586.It Sy tmac/ 587text processing macros; 588see 589.Xr nroff 1 590and 591.Xr troff 1 592.It Sy zoneinfo/ 593timezone configuration information; 594see 595.Xr tzfile 5 596.El 597.It Sy tests/ 598test programs; see 599.Xr atf-run 1 600for information on how to run them 601.El 602.Pp 603.It Sy /usr/src/ 604.Nx 605and local source files 606.Pp 607.Bl -tag -width "domestic/" -compact 608.It Sy bin/ 609source for utilities/files in 610.Pa /bin 611.It Sy common/ 612sources shared between kernel and userland 613.It Sy crypto/ 614cryptographic source, which may have import or export restrictions 615.It Sy dist/ 616third-party 617.Sq virgin 618source code, referenced by other parts of the source tree 619.It Sy distrib/ 620tools and data-files for making distributions 621.It Sy doc/ 622documentation about the source tree (i.e., about the tree, not about 623how to use the built software.) 624.It Sy etc/ 625source (usually example files) for files in 626.Pa /etc 627.It Sy external/ 628source for programs from external third parties 629(where 630.Nx 631is the not the primary maintainer), 632grouped by license, and then products per license 633.Pp 634.Bl -tag -width "bsd/" -compact 635.It Sy bsd/ 636BSD (or equivalent) licensed software, 637possibly with the 638.Dq advertising clause 639.El 640.Pp 641.It Sy games/ 642source for utilities/files in 643.Pa /usr/games 644.It Sy gnu/ 645source for programs covered by the 646.Tn GNU 647license (or similar) 648.It Sy include/ 649source for files in 650.Pa /usr/include 651.It Sy lib/ 652source for libraries in 653.Pa /usr/lib 654.It Sy libexec/ 655source for utilities/files in 656.Pa /usr/libexec 657.It Sy regress/ 658various regression tests 659.It Sy rescue/ 660source/makefiles for /rescue 661.It Sy sbin/ 662source for utilities/files in 663.Pa /sbin 664.It Sy share/ 665source for files in 666.Pa /usr/share 667.Pp 668.Bl -tag -width "doc/" -compact 669.It Sy doc/ 670.Pp 671.Bl -tag -width "papers/" -compact 672.It Sy papers/ 673source for various Berkeley technical papers 674.It Sy psd/ 675source for Programmer's Supplementary Documents 676.It Sy smm/ 677source for System Manager's Manual 678.It Sy usd/ 679source for User's Supplementary Documents 680.Pp 681.El 682.El 683.It Sy sys/ 684kernel source files 685.Pp 686.Bl -tag -width "gdbscripts/" -compact 687.It Sy arch/ 688architecture-specific support 689.Pp 690.Bl -tag -width "playstation2/" -compact 691.It Sy acorn26/ 692Acorn Archimedes, A-series and R-series systems 693.It Sy acorn32/ 694Acorn RiscPC/A7000 and VLSI RC7500 695.It Sy algor/ 696Algorithmics Ltd. MIPS evaluations boards 697.It Sy alpha/ 698Digital/Compaq Alpha 699.It Sy amd64/ 700Computers with x86_64 capable CPUs 701.It Sy amiga/ 702Commodore Amiga and MacroSystem DraCo 703.It Sy amigappc/ 704PowerPC based Amiga boards 705.It Sy arc/ 706MIPS-based machines following the Advanced RISC Computing spec 707.It Sy arm/ 708ARM processor general support 709.It Sy atari/ 710Atari TT030, Falcon and Hades 711.It Sy bebox/ 712Be Inc. BeBox 713.It Sy cats/ 714Chalice Technology's CATS and Intel's EBSA-285 evaluation boards 715.It Sy cesfic/ 716CES FIC8234 VME processor board 717.It Sy cobalt/ 718Cobalt Networks' MIPS-based Microserver 719.It Sy dreamcast/ 720Sega Dreamcast game console 721.It Sy evbarm/ 722ARM based evaluation boards 723.It Sy evbmips/ 724MIPS based evaluation boards 725.It Sy evbppc/ 726PowerPC based evaluation boards and appliances 727.It Sy evbsh3/ 728SH3/SH4 based evaluation boards 729.It Sy ews4800mips/ 730NEC's MIPS based EWS4800 workstations 731.It Sy hp300/ 732Hewlett-Packard 9000/300 and 400 680x0-based workstations 733.It Sy hp700/ 734Hewlett-Packard 9000/700 HPPA based workstations 735.It Sy hpcarm/ 736StrongARM based WinCE PDA machines 737.It Sy hpcmips/ 738MIPS based WinCE PDA machines 739.It Sy hpcsh/ 740Hitachi SH3/4 based WinCE PDA machines 741.It Sy hppa/ 742HPPA processor general support 743.It Sy i386/ 74480x86-based IBM PCs and clones 745.It Sy ibmnws/ 746IBM Network Station 1000 747.It Sy iyonix/ 748Castle Technology's Iyonix ARM based PCs 749.It Sy luna68k/ 750Omron Tateishi Electric's 680x0-based LUNA workstations 751.It Sy m68k/ 752680x0 processor general support 753.It Sy mac68k/ 754Apple Macintosh with 68k CPU 755.It Sy macppc/ 756Apple Power Macintosh and clones 757.It Sy mips/ 758MIPS processor general support 759.It Sy mipsco/ 760MIPS Computer Systems Inc. family of workstations and servers 761.It Sy mmeye/ 762Brains Inc. SH3 based mmEye multimedia server 763.It Sy mvme68k/ 764Motorola MVME 680x0-based SBCs 765.It Sy mvmeppc/ 766Motorola PowerPC VME SBCs 767.It Sy netwinder/ 768StrongARM based NetWinder machines 769.It Sy news68k/ 770Sony's 680x0-based NEWS workstations 771.It Sy newsmips/ 772Sony's MIPS-based NEWS workstations 773.It Sy next68k/ 774NeXT 68k "black" hardware 775.It Sy ofppc/ 776Open Firmware PowerPC workstations 777.It Sy playstation2/ 778SONY PlayStation 2 779.It Sy pmax/ 780Digital MIPS-based DECstations and DECsystems 781.It Sy powerpc/ 782PowerPC processor support 783.It Sy prep/ 784PReP (PowerPC Reference Platform) and CHRP machines 785.It Sy sandpoint/ 786Motorola Sandpoint reference platform 787.It Sy sbmips/ 788Broadcom/SiByte evaluation boards 789.It Sy sgimips/ 790Silicon Graphics' MIPS-based workstations 791.It Sy sh3/ 792SH3/SH4 processor general support 793.It Sy shark/ 794Digital DNARD ("Shark") 795.It Sy sparc/ 796Sun Microsystems SPARC (32-bit) and UltraSPARC (in 32-bit mode) 797.It Sy sparc64/ 798Sun Microsystems UltraSPARC (in native 64-bit mode) 799.It Sy sun2/ 800Sun Microsystems 68010-based Sun 2 architecture 801.It Sy sun3/ 802Sun Microsystems 68020/68030-based Sun 3/3x architecture 803.It Sy sun68k/ 804680x0-based Sun architecture general support 805.It Sy vax/ 806Digital VAX 807.It Sy x68k/ 808Sharp X680x0 680x0-based workstations 809.It Sy x86/ 810General support for PC/AT compatibles with ia32 or x86_64 CPUs 811.It Sy xen/ 812The Xen virtual machine monitor 813.It Sy zaurus/ 814Sharp C3x00 Arm based PDA 815.El 816.Pp 817.It Sy compat/ 818kernel compatibility modules directory 819.Pp 820.Bl -tag -width "ossaudio/" -compact 821.It Sy common/ 822common compatibility routines, old 823.Bx 4 824and 825.Nx 826routines. 827.It Sy freebsd/ 828support for 829.Fx 830binaries; see 831.Xr compat_freebsd 8 832.It Sy hpux/ 833support for 68000 HP-UX binaries 834.It Sy ibcs2/ 835support for Intel Binary binaries 836.It Sy linux/ 837support for Linux binaries; see 838.Xr compat_linux 8 839.It Sy m68k4k/ 840support for 4KB page 68000 binaries 841.It Sy netbsd32/ 842support for 843.Nx 84432-bit binaries on 64 bit platforms with compatible CPU families 845.It Sy osf1/ 846support for 847.Tn Digital 848.Ux 849.Po 850formerly 851.Tn OSF/1 852.Pc 853binaries 854.It Sy ossaudio/ 855support for OSS audio 856.It Sy pecoff/ 857support for 858.Tn Win32 859binaries; see 860.Xr compat_pecoff 8 861.It Sy sunos/ 862support for 863.Tn SunOS 4.x 864binaries; see 865.Xr compat_sunos 8 866.It Sy svr4/ 867support for System V Release 4 binaries; see 868.Xr compat_svr4 8 869.It Sy ultrix/ 870support for 871.Tn ULTRIX 872binaries 873.It Sy vax1k/ 874support for older VAX binaries that started on a 1 KB boundary 875.El 876.Pp 877.It Sy conf/ 878architecture independent configuration directory 879.It Sy crypto/ 880cryptographic kernel source, which may have import or export restrictions 881.It Sy ddb/ 882in kernel debugger 883.It Sy dev/ 884architecture independent device support 885.It Sy fs/ 886miscellaneous file systems 887.Bl -tag -width "filecorefs/" -compact 888.It Sy adosfs/ 889AmigaDOS file-system support; see 890.Xr mount_ados 8 891.It Sy cd9660/ 892support for the ISO-9660 filesystem; see 893.Xr mount_cd9660 8 894.It Sy filecorefs/ 895support for the Acorn RISC OS filecore filesystem; see 896.Xr mount_filecore 8 897.It Sy msdosfs/ 898.Tn MS-DOS 899file system; see 900.Xr mount_msdos 8 901.It Sy ntfs/ 902NTFS filesystem support; see 903.Xr mount_ntfs 8 904.It Sy ptyfs/ 905pseudo-terminal device filesystem; see 906.Xr mount_ptyfs 8 907.It Sy smbfs/ 908SMB/CIFS filesystem support; see 909.Xr mount_smbfs 8 910.It Sy union/ 911union file system; see 912.Xr mount_union 8 913.El 914.It Sy gdbscripts/ 915support for accessing kernel structures from within the debugger 916.Xr gdb 1 . 917.It Sy ipkdb/ 918support for kernel debugging over the network 919.Pp 920.It Sy kern/ 921support for the high kernel (system calls) 922.It Sy lib/ 923kernel libraries 924.Pp 925.Bl -tag -width "libkern/" -compact 926.It Sy libkern/ 927C library routines used in the kernel 928.It Sy libsa/ 929machine independent stand alone kernel library 930.It Sy libz/ 931compression library 932.El 933.Pp 934.It Sy miscfs/ 935miscellaneous file systems 936.Pp 937.Bl -tag -width "deadfs/" -compact 938.It Sy deadfs/ 939kernel only dead file system 940.It Sy fdesc/ 941file descriptor file system; see 942.Xr mount_fdesc 8 943.It Sy fifofs/ 944POSIX FIFO support 945.It Sy genfs/ 946kernel only generic file system 947.It Sy kernfs/ 948kernel namespace file system; see 949.Xr mount_kernfs 8 950.It Sy nullfs/ 951loop back file system; see 952.Xr mount_null 8 953.It Sy overlay/ 954overlay file system; see 955.Xr mount_overlay 8 956.It Sy portal/ 957portal file system; see 958.Xr mount_portal 8 959.It Sy procfs/ 960process file system; see 961.Xr mount_procfs 8 962.It Sy specfs/ 963kernel only special file system 964.It Sy syncfs/ 965kernel trickle sync algorithm 966.It Sy umapfs/ 967user and group re-mapping file system; see 968.Xr mount_umap 8 969.El 970.Pp 971.It Sy net/ 972miscellaneous networking support 973.It Sy netatalk/ 974AppleTalk networking support 975.It Sy netinet/ 976IP networking support 977.It Sy netinet6/ 978IPv6 networking support 979.It Sy netiso/ 980ISO networking support 981.It Sy netkey/ 982Key database for IPsec networking support 983.It Sy netnatm/ 984ATM 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 tests/ 1010source for test programs in 1011.Pa /usr/tests 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