1.\" $NetBSD: hier.7,v 1.88 2009/06/09 17:43:27 cegger 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 June 9, 2009 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 /cdrom/ 71empty directory commonly used by 72system administrators as a temporary mount point for CD devices 73for ISO-9660 file systems 74.It Sy /dev/ 75block, character and other special device files 76.Pp 77.Bl -tag -width "MAKEDEV" -compact 78.It Sy MAKEDEV 79script for creating device files; 80see 81.Xr makedev 8 82.It Sy console 83the computer's console device 84.It Sy drum 85system swap space; see 86.Xr drum 4 87.It Sy fd/ 88file descriptor files; 89see 90.Xr fd 4 91.It Sy klog 92kernel logging device; see 93.Xr syslog 3 94.It Sy kmem 95kernel virtual memory device; see 96.Xr mem 4 97.It Sy log 98.Ux 99domain datagram log socket; see 100.Xr syslogd 8 101.It Sy mem 102kernel physical memory device; see 103.Xr mem 4 104.It Sy null 105the null device; see 106.Xr null 4 107.It Sy pts/ 108mount point for the pseudo-terminal device file system; see 109.Xr mount_ptyfs 8 110.It Sy stderr 111.It Sy stdin 112.It Sy stdout 113file descriptor files; 114see 115.Xr fd 4 116.It Sy tty 117process' controlling terminal device; see 118.Xr tty 4 119.It Sy zero 120the zero device; see 121.Xr zero 4 122.El 123.\" .It Sy /dump/ 124.\" online 125.\" .Xr dump 8 126.\" repository 127.It Sy /etc/ 128system configuration files and scripts 129.Pp 130.Bl -tag -width "master.passwd" -compact 131.It Sy amd* 132configuration files for 133.Xr amd 8 134.It Sy changelist 135files backed up by the security script 136.It Sy crontab 137schedule used by the 138.Xr cron 8 139daemon 140.It Sy csh.cshrc 141.It Sy csh.login 142.It Sy csh.logout 143system-wide scripts for 144.Xr csh 1 145.It Sy daily 146script run each day by 147.Xr cron 8 148.It Sy daily.conf 149configuration file for 150.Sy daily ; 151see 152.Xr daily.conf 5 153.It Sy defaults/ 154default configuration files read by various 155.Pa /etc/*.conf 156files 157.It Sy disktab 158disk description file, see 159.Xr disktab 5 160.It Sy dm.conf 161dungeon master configuration; see 162.Xr dm.conf 5 163.It Sy dumpdates 164dump history; see 165.Xr dump 8 166.It Sy exports 167filesystem export information; see 168.Xr mountd 8 169.It Sy fstab 170filesystem information; see 171.Xr fstab 5 172and 173.Xr mount 8 174.It Sy ftpusers 175users denied 176.Xr ftp 1 177access; see 178.Xr ftpd 8 179.It Sy ftpwelcome 180.Xr ftp 1 181initial message; see 182.Xr ftpd 8 183.It Sy gettytab 184terminal configuration database; see 185.Xr gettytab 5 186.It Sy group 187group permissions file; see 188.Xr group 5 189.It Sy hosts 190host name database backup for 191.Xr named 8 ; 192see 193.Xr hosts 5 194.It Sy hosts.equiv 195trusted machines with equivalent user ID's 196.It Sy hosts.lpd 197trusted machines with printing privileges 198.It Sy inetd.conf 199Internet server configuration file; see 200.Xr inetd 8 201.It Sy kerberosV/ 202configuration files for the kerberos version V; 203see 204.Xr kerberos 8 205.It Sy localtime 206local timezone information; 207see 208.Xr ctime 3 209.It Sy mail/ 210configuration files for 211.Xr sendmail 8 212.Pp 213.Bl -tag -width "sendmail.*" -compact 214.It Sy aliases* 215name alias files 216.It Sy sendmail.* 217.Xr sendmail 8 218configuration information 219.El 220.It Sy mail.rc 221system-wide initialization script for 222.Xr mail 1 223.It Sy man.conf 224configuration file for 225.Xr man 1 ; 226see 227.Xr man.conf 5 228.It Sy master.passwd 229Main password file, readable only by root; see 230.Xr passwd 5 231.It Sy mk.conf 232optional file containing 233.Xr make 1 234variables, read by pkgsrc and the system sources. 235.It Sy monthly 236script run each month by 237.Xr cron 8 238.It Sy monthly.conf 239configuration file for 240.Sy monthly ; 241see 242.Xr monthly.conf 5 243.It Sy motd 244system message of the day 245.It Sy mtree/ 246mtree configuration files; 247see 248.Xr mtree 8 249.It Sy named.* 250.It Sy namedb/ 251named configuration files and databases; 252see 253.Xr named 8 254.It Sy netgroup 255network groups; see 256.Xr netgroup 5 257.It Sy netstart 258network startup script 259.It Sy networks 260network name data base; see 261.Xr networks 5 262.It Sy passwd 263World readable password file generated from master.passwd; see 264.Xr passwd 5 , 265.Xr pwd_mkdb 8 266.It Sy phones 267remote host phone number data base; see 268.Xr phones 5 269.It Sy printcap 270system printer configuration; see 271.Xr printcap 5 272.It Sy protocols 273protocol name database; see 274.Xr protocols 5 275.It Sy pwd.db 276database form of passwd file; see 277.Xr pwd_mkdb 8 278.It Sy rc 279master system startup script invoked by 280.Xr init 8 ; 281see 282.Xr rc 8 283.It Sy rc.conf 284configuration file for system startup and shutdown scripts; see 285.Xr rc.conf 5 286.It Sy rc.d/ 287directory containing per-subsystem startup and shutdown scripts; see 288.Xr rc 8 289.It Sy rc.local 290locally editable system startup script 291.It Sy rc.shutdown 292master system shutdown script invoked by 293.Xr shutdown 8 ; 294see 295.Xr rc 8 296.It Sy remote 297remote host description file; see 298.Xr remote 5 299.It Sy security 300daily (in)security script run by 301.Xr cron 8 302.It Sy security.conf 303configuration file for 304.Sy security ; 305see 306.Xr security.conf 5 307.It Sy services 308service name data base; see 309.Xr services 5 310.It Sy shells 311list of permitted shells; see 312.Xr shells 5 313.It Sy sliphome/ 314.Tn SLIP 315login/logout scripts; see 316.Xr sliplogin 8 317.It Sy spwd.db 318database form of master.passwd file; see 319.Xr pwd_mkdb 8 320.It Sy syslog.conf 321.Xr syslogd 8 322configuration file; see 323.Xr syslog.conf 5 324.It Sy termcap 325terminal type database; see 326.Xr termcap 3 327.It Sy ttys 328terminal initialization information; see 329.Xr ttys 5 330.It Sy uucp/ 331UUCP configuration files; see 332.Xr uucp 1 333and 334.Xr uucico 8 . 335.It Sy weekly 336script run each week by 337.Xr cron 8 338.It Sy weekly.conf 339configuration file for 340.Sy weekly ; 341see 342.Xr weekly.conf 5 343.El 344.It Sy /home/ 345mount point for the automounter; see 346.Xr amd 8 347.It Sy /kern/ 348mount point for the kern file system; see 349.Xr mount_kernfs 8 350.It Sy /lib/ 351dynamic linked libraries used by dynamic linked programs 352(such as those in 353.Pa /bin/ 354and 355.Pa /sbin/ ) 356that cannot rely upon 357.Pa /usr/lib/ 358being available. 359.It Sy /libexec/ 360system utilities (such as the dynamic linker) required by programs 361and libraries that cannot rely upon 362.Pa /usr/libexec/ 363being available. 364.It Sy /mnt/ 365empty directory commonly used by 366system administrators as a temporary mount point 367.It Sy /netbsd 368pure kernel executable (the operating system loaded into memory 369at boot time). 370.It Sy /proc/ 371mount point for the process file system; see 372.Xr mount_procfs 8 373.It Sy /rescue/ 374statically linked rescue tools, for use in system recovery 375.It Sy /root/ 376home directory for the super-user 377.Pp 378.Bl -tag -width ".profile" -compact 379.It Sy \&.cshrc 380super-user start-up file 381.It Sy \&.login 382super-user start-up file 383.It Sy \&.profile 384super-user start-up file 385.It Sy \&.rhosts 386super-user id mapping between machines 387.El 388.It Sy /sbin/ 389system programs and administration utilities 390used in both single-user and multi-user environments 391.It Sy /stand/ 392programs used in a standalone environment 393.It Sy /tmp/ 394temporary files, usually a 395.Xr mfs 8 396memory-based filesystem (the contents of 397.Pa /tmp 398are usually 399.Em not 400preserved across a system reboot) 401.It Sy /usr/ 402contains the majority of the system utilities and files 403.Pp 404.Bl -tag -width "libdata/" -compact 405.It Sy X11R6/ 406X11 files 407.It Sy X11R7/ 408X11 files 409.Pp 410.Bl -tag -width "include/" -compact 411.It Sy bin/ 412X11 binaries 413.It Sy include/ 414X11 include files 415.It Sy lib/ 416X11 libraries 417.El 418.Pp 419.It Sy bin/ 420common utilities, programming tools, and applications 421.It Sy games/ 422the important stuff 423.It Sy include/ 424standard C include files 425.Pp 426.Bl -tag -width "protocols/" -compact 427.It Sy arpa/ 428include files for Internet service protocols 429.It Sy atf/ 430include files for the Automated Testing Framework; see 431.Xr atf 1 432.It Sy g++/ 433include files for the C++ compiler 434.It Sy machine/ 435machine specific include files 436.It Sy net/ 437.It Sy netatalk/ 438C include files for AppleTalk protocols 439miscellaneous network include files; 440see 441.Xr atalk 4 442.It Sy netinet/ 443include files for Internet standard protocols; see 444.Xr inet 4 445.It Sy netinet6/ 446include files for Internet protocol version 6; see 447.Xr inet6 4 448.It Sy netiso/ 449include files for ISO standard protocols; see 450.Xr iso 4 451.It Sy netkey/ 452include files for secret key management, used for security protocols; see 453.Xr ipsec 4 454.It Sy netnatm/ 455C include files for native mode ATM 456.It Sy nfs/ 457C include files for NFS (Network File System) 458.It Sy protocols/ 459C include files for Berkeley service protocols 460.It Sy sys/ 461system C include files (kernel data structures) 462.It Sy ufs/ 463C include files for UFS (The U-word File System) 464.El 465.Pp 466.It Sy lib/ 467archive, profiled, position independent archive, and shared libraries 468.It Sy libdata/ 469miscellaneous utility data files 470.It Sy libexec/ 471system daemons \*[Am] system utilities (executed by other programs) 472.Pp 473.Bl -tag -width "uucp/" -compact 474.It Sy uucp/ 475UUCP binaries and scripts (historically placed; to be moved) 476.El 477.Pp 478.It Sy mdec/ 479boot blocks, etc. 480.It Sy obj/ 481architecture-specific target tree produced by building the 482.Pa /usr/src 483tree; normally a symbolic link or mounted filesystem 484.It Sy pkg/ 485packages maintained by groups other than the 486.Nx 487Project. 488.Pp 489.Bl -tag -width "include/" -compact 490.It Sy bin/ 491contributed binaries 492.It Sy include/ 493contributed include files 494.It Sy lib/ 495contributed libraries 496.It Sy libdata/ 497contributed data files 498.It Sy libexec/ 499contributed daemons 500.It Sy sbin/ 501contributed system utilities 502.El 503.Pp 504.It Sy pkgsrc/ 505build descriptions ("packages") for the 506.Nx 507packages system. 508.Pp 509.Bl -tag -width "distfilesX" -compact 510.It Sy distfiles/ 511Where unchanged source archives are fetched to/stored 512.It Sy packages/ 513Where compiled binary packages are stored 514.El 515.Pp 516There are also several other subdirectories which contain packages of 517a certain category, e.g., archivers, graphics, ... 518.Pp 519.It Sy sbin/ 520system daemons and system utilities (normally executed by the super-user) 521.It Sy share/ 522architecture-independent text files 523.Pp 524.Bl -tag -width "calendar/" -compact 525.It Sy calendar/ 526a variety of calendar files; see 527.Xr calendar 1 528.It Sy dict/ 529word lists; 530see 531.Xr look 1 532and 533.Xr spell 1 534.Pp 535.Bl -tag -width "special/" -compact 536.It Sy words 537common words 538.It Sy web2 539words of Webster's 2nd International 540.It Sy papers/ 541reference databases; 542see 543.Xr refer 1 544.It Sy special/ 545custom word lists; 546see 547.Xr spell 1 548.El 549.Pp 550.It Sy doc/ 551miscellaneous documentation; source for most of the printed 552.Bx 4.3 553manuals (available 554from the 555.Tn USENIX 556association) 557.It Sy games/ 558text files used by various games 559.It Sy i18n/ 560internationalization databases; see 561.Xr iconv 3 562.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.It Sy tests/ 612test programs; see 613.Xr atf-run 1 614for information on how to run them 615.El 616.Pp 617.It Sy /usr/src/ 618.Nx 619and local source files 620.Pp 621.Bl -tag -width "domestic/" -compact 622.It Sy bin/ 623source for utilities/files in 624.Pa /bin 625.It Sy common/ 626sources shared between kernel and userland 627.It Sy crypto/ 628cryptographic source, which may have import or export restrictions 629.It Sy dist/ 630third-party 631.Sq virgin 632source code, referenced by other parts of the source tree 633.It Sy distrib/ 634tools and data-files for making distributions 635.It Sy doc/ 636documentation about the source tree (i.e., about the tree, not about 637how to use the built software.) 638.It Sy etc/ 639source (usually example files) for files in 640.Pa /etc 641.It Sy external/ 642source for programs from external third parties 643(where 644.Nx 645is the not the primary maintainer), 646grouped by license, and then products per license 647.Pp 648.Bl -tag -width "bsd/" -compact 649.It Sy bsd/ 650BSD (or equivalent) licensed software, 651possibly with the 652.Dq advertising clause 653.El 654.Pp 655.It Sy games/ 656source for utilities/files in 657.Pa /usr/games 658.It Sy gnu/ 659source for programs covered by the 660.Tn GNU 661license (or similar) 662.It Sy include/ 663source for files in 664.Pa /usr/include 665.It Sy lib/ 666source for libraries in 667.Pa /usr/lib 668.It Sy libexec/ 669source for utilities/files in 670.Pa /usr/libexec 671.It Sy regress/ 672various regression tests 673.It Sy rescue/ 674source/makefiles for /rescue 675.It Sy sbin/ 676source for utilities/files in 677.Pa /sbin 678.It Sy share/ 679source for files in 680.Pa /usr/share 681.Pp 682.Bl -tag -width "doc/" -compact 683.It Sy doc/ 684.Pp 685.Bl -tag -width "papers/" -compact 686.It Sy papers/ 687source for various Berkeley technical papers 688.It Sy psd/ 689source for Programmer's Supplementary Documents 690.It Sy smm/ 691source for System Manager's Manual 692.It Sy usd/ 693source for User's Supplementary Documents 694.Pp 695.El 696.El 697.It Sy sys/ 698kernel source files 699.Pp 700.Bl -tag -width "gdbscripts/" -compact 701.It Sy arch/ 702architecture-specific support 703.Pp 704.Bl -tag -width "playstation2/" -compact 705.It Sy acorn26/ 706Acorn Archimedes, A-series and R-series systems 707.It Sy acorn32/ 708Acorn RiscPC/A7000 and VLSI RC7500 709.It Sy algor/ 710Algorithmics Ltd. MIPS evaluations boards 711.It Sy alpha/ 712Digital/Compaq Alpha 713.It Sy amd64/ 714Computers with x86_64 capable CPUs 715.It Sy amiga/ 716Commodore Amiga and MacroSystem DraCo 717.It Sy amigappc/ 718PowerPC based Amiga boards 719.It Sy arc/ 720MIPS-based machines following the Advanced RISC Computing spec 721.It Sy arm/ 722ARM processor general support 723.It Sy atari/ 724Atari TT030, Falcon and Hades 725.It Sy bebox/ 726Be Inc. BeBox 727.It Sy cats/ 728Chalice Technology's CATS and Intel's EBSA-285 evaluation boards 729.It Sy cesfic/ 730CES FIC8234 VME processor board 731.It Sy cobalt/ 732Cobalt Networks' MIPS-based Microserver 733.It Sy dreamcast/ 734Sega Dreamcast game console 735.It Sy evbarm/ 736ARM based evaluation boards 737.It Sy evbmips/ 738MIPS based evaluation boards 739.It Sy evbppc/ 740PowerPC based evaluation boards and appliances 741.It Sy evbsh3/ 742SH3/SH4 based evaluation boards 743.It Sy ews4800mips/ 744NEC's MIPS based EWS4800 workstations 745.It Sy hp300/ 746Hewlett-Packard 9000/300 and 400 680x0-based workstations 747.It Sy hp700/ 748Hewlett-Packard 9000/700 HPPA based workstations 749.It Sy hpcarm/ 750StrongARM based WinCE PDA machines 751.It Sy hpcmips/ 752MIPS based WinCE PDA machines 753.It Sy hpcsh/ 754Hitachi SH3/4 based WinCE PDA machines 755.It Sy hppa/ 756HPPA processor general support 757.It Sy i386/ 75880x86-based IBM PCs and clones 759.It Sy ibmnws/ 760IBM Network Station 1000 761.It Sy iyonix/ 762Castle Technology's Iyonix ARM based PCs 763.It Sy luna68k/ 764Omron Tateishi Electric's 680x0-based LUNA workstations 765.It Sy m68k/ 766680x0 processor general support 767.It Sy mac68k/ 768Apple Macintosh with 68k CPU 769.It Sy macppc/ 770Apple Power Macintosh and clones 771.It Sy mips/ 772MIPS processor general support 773.It Sy mipsco/ 774MIPS Computer Systems Inc. family of workstations and servers 775.It Sy mmeye/ 776Brains Inc. SH3 based mmEye multimedia server 777.It Sy mvme68k/ 778Motorola MVME 680x0-based SBCs 779.It Sy mvmeppc/ 780Motorola PowerPC VME SBCs 781.It Sy netwinder/ 782StrongARM based NetWinder machines 783.It Sy news68k/ 784Sony's 680x0-based NEWS workstations 785.It Sy newsmips/ 786Sony's MIPS-based NEWS workstations 787.It Sy next68k/ 788NeXT 68k "black" hardware 789.It Sy ofppc/ 790Open Firmware PowerPC workstations 791.It Sy playstation2/ 792SONY PlayStation 2 793.It Sy pmax/ 794Digital MIPS-based DECstations and DECsystems 795.It Sy powerpc/ 796PowerPC processor support 797.It Sy prep/ 798PReP (PowerPC Reference Platform) and CHRP machines 799.It Sy sandpoint/ 800Motorola Sandpoint reference platform 801.It Sy sbmips/ 802Broadcom/SiByte evaluation boards 803.It Sy sgimips/ 804Silicon Graphics' MIPS-based workstations 805.It Sy sh3/ 806SH3/SH4 processor general support 807.It Sy shark/ 808Digital DNARD ("Shark") 809.It Sy sparc/ 810Sun Microsystems SPARC (32-bit) and UltraSPARC (in 32-bit mode) 811.It Sy sparc64/ 812Sun Microsystems UltraSPARC (in native 64-bit mode) 813.It Sy sun2/ 814Sun Microsystems 68010-based Sun 2 architecture 815.It Sy sun3/ 816Sun Microsystems 68020/68030-based Sun 3/3x architecture 817.It Sy sun68k/ 818680x0-based Sun architecture general support 819.It Sy vax/ 820Digital VAX 821.It Sy x68k/ 822Sharp X680x0 680x0-based workstations 823.It Sy x86/ 824General support for PC/AT compatibles with ia32 or x86_64 CPUs 825.It Sy xen/ 826The Xen virtual machine monitor 827.It Sy zaurus/ 828Sharp C3x00 Arm based PDA 829.El 830.Pp 831.It Sy compat/ 832kernel compatibility modules directory 833.Pp 834.Bl -tag -width "ossaudio/" -compact 835.It Sy common/ 836common compatibility routines, old 837.Bx 4 838and 839.Nx 840routines. 841.It Sy freebsd/ 842support for 843.Fx 844binaries; see 845.Xr compat_freebsd 8 846.It Sy hpux/ 847support for 68000 HP-UX binaries 848.It Sy ibcs2/ 849support for Intel Binary binaries 850.It Sy linux/ 851support for Linux binaries; see 852.Xr compat_linux 8 853.It Sy m68k4k/ 854support for 4KB page 68000 binaries 855.It Sy netbsd32/ 856support for 857.Nx 85832-bit binaries on 64 bit platforms with compatible CPU families 859.It Sy osf1/ 860support for 861.Tn Digital 862.Ux 863.Po 864formerly 865.Tn OSF/1 866.Pc 867binaries 868.It Sy ossaudio/ 869support for OSS audio 870.It Sy pecoff/ 871support for 872.Tn Win32 873binaries; see 874.Xr compat_pecoff 8 875.It Sy sunos/ 876support for 877.Tn SunOS 4.x 878binaries; see 879.Xr compat_sunos 8 880.It Sy svr4/ 881support for System V Release 4 binaries; see 882.Xr compat_svr4 8 883.It Sy ultrix/ 884support for 885.Tn ULTRIX 886binaries 887.It Sy vax1k/ 888support for older VAX binaries that started on a 1 KB boundary 889.El 890.Pp 891.It Sy conf/ 892architecture independent configuration directory 893.It Sy crypto/ 894cryptographic kernel source, which may have import or export restrictions 895.It Sy ddb/ 896in kernel debugger 897.It Sy dev/ 898architecture independent device support 899.It Sy fs/ 900miscellaneous file systems 901.Bl -tag -width "filecorefs/" -compact 902.It Sy adosfs/ 903AmigaDOS file-system support; see 904.Xr mount_ados 8 905.It Sy cd9660/ 906support for the ISO-9660 filesystem; see 907.Xr mount_cd9660 8 908.It Sy filecorefs/ 909support for the Acorn RISC OS filecore filesystem; see 910.Xr mount_filecore 8 911.It Sy msdosfs/ 912.Tn MS-DOS 913file system; see 914.Xr mount_msdos 8 915.It Sy ntfs/ 916NTFS filesystem support; see 917.Xr mount_ntfs 8 918.It Sy ptyfs/ 919pseudo-terminal device filesystem; see 920.Xr mount_ptyfs 8 921.It Sy smbfs/ 922SMB/CIFS filesystem support; see 923.Xr mount_smbfs 8 924.It Sy union/ 925union file system; see 926.Xr mount_union 8 927.El 928.It Sy gdbscripts/ 929support for accessing kernel structures from within the debugger 930.Xr gdb 1 . 931.It Sy ipkdb/ 932support for kernel debugging over the network 933.Pp 934.It Sy kern/ 935support for the high kernel (system calls) 936.It Sy lib/ 937kernel libraries 938.Pp 939.Bl -tag -width "libkern/" -compact 940.It Sy libkern/ 941C library routines used in the kernel 942.It Sy libsa/ 943machine independent stand alone kernel library 944.It Sy libz/ 945compression library 946.El 947.Pp 948.It Sy miscfs/ 949miscellaneous file systems 950.Pp 951.Bl -tag -width "deadfs/" -compact 952.It Sy deadfs/ 953kernel only dead file system 954.It Sy fdesc/ 955file descriptor file system; see 956.Xr mount_fdesc 8 957.It Sy fifofs/ 958POSIX FIFO support 959.It Sy genfs/ 960kernel only generic file system 961.It Sy kernfs/ 962kernel namespace file system; see 963.Xr mount_kernfs 8 964.It Sy nullfs/ 965loop back file system; see 966.Xr mount_null 8 967.It Sy overlay/ 968overlay file system; see 969.Xr mount_overlay 8 970.It Sy portal/ 971portal file system; see 972.Xr mount_portal 8 973.It Sy procfs/ 974process file system; see 975.Xr mount_procfs 8 976.It Sy specfs/ 977kernel only special file system 978.It Sy syncfs/ 979kernel trickle sync algorithm 980.It Sy umapfs/ 981user and group re-mapping file system; see 982.Xr mount_umap 8 983.El 984.Pp 985.It Sy net/ 986miscellaneous networking support 987.It Sy netatalk/ 988AppleTalk 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 nfs/ 1000NFS support 1001.It Sy stand/ 1002kernel standalone support 1003.It Sy sys/ 1004kernel (and system) include files 1005.It Sy ufs/ 1006local filesystem support 1007.Pp 1008.Bl -tag -width "ffs/" -compact 1009.It Sy ffs/ 1010the Berkeley Fast File System 1011.It Sy lfs/ 1012the log-structured file system 1013.It Sy mfs/ 1014the in-memory file system 1015.It Sy ufs/ 1016shared 1017.Ux 1018file system support 1019.El 1020.It Sy uvm/ 1021UVM virtual memory system 1022.El 1023.It Sy tests/ 1024source for test programs in 1025.Pa /usr/tests 1026.It Sy usr.bin/ 1027source for utilities/files in 1028.Pa /usr/bin 1029.It Sy usr.sbin/ 1030source for utilities/files in 1031.Pa /usr/sbin 1032.El 1033.It Sy /var/ 1034multi-purpose log, temporary, transient, and spool files 1035.Pp 1036.Bl -tag -width "preserve/" -compact 1037.It Sy account/ 1038system accounting files 1039.Pp 1040.Bl -tag -width "acct" -compact 1041.It Sy acct 1042execution accounting file; 1043see 1044.Xr acct 5 1045.El 1046.Pp 1047.It Sy at/ 1048timed command scheduling files; 1049see 1050.Xr at 1 1051.It Sy backups/ 1052miscellaneous backup files, largely of files found in 1053.Pa /etc 1054.It Sy chroot/ 1055home directories of applications which are run in a 1056.Xr chroot 8 1057.Dq cage . 1058.It Sy crash/ 1059system crash dumps; see 1060.Xr savecore 8 1061.It Sy cron/ 1062scheduled commands configuration files; see 1063.Xr cron 8 1064.It Sy db/ 1065miscellaneous automatically generated system-specific database files, 1066and persistent files used in the maintenance of third party software. 1067.Pp 1068.Bl -tag -width "monthly.out" -compact 1069.It Sy pkg 1070default location for metadata related to third party software 1071packages. 1072See 1073.Xr pkg_add 1 1074for more details of the 1075.Nx 1076Packages Collection, or pkgsrc. 1077.El 1078.Pp 1079.It Sy games/ 1080miscellaneous game status and log files 1081.It Sy heimdal/ 1082Kerberos 5 KDC database; see 1083.Xr kdc 8 1084.It Sy log/ 1085miscellaneous system log files 1086.Pp 1087.Bl -tag -width "monthly.out" -compact 1088.It Sy amd.* 1089.Xr amd 8 1090logs 1091.It Sy daily.out 1092output of the last run of the 1093.Pa /etc/daily 1094script 1095.It Sy ftp.* 1096.Xr ftp 1 1097logs 1098.It Sy kerberos.* 1099.Xr kerberos 8 1100logs 1101.It Sy lastlog 1102system last time logged in log; see 1103.Xr utmp 5 1104.It Sy lpd-errs.* 1105printer daemon error logs; see 1106.Xr lpd 8 1107.It Sy maillog.* 1108.Xr sendmail 8 1109log files 1110.It Sy messages.* 1111general system information log 1112.It Sy monthly.out 1113output of the last run of the 1114.Pa /etc/monthly 1115script 1116.It Sy secure 1117sensitive security information log 1118.It Sy sendmail.st 1119.Xr sendmail 8 1120statistics 1121.It Sy timed.* 1122.Xr timed 8 1123logs 1124.It Sy weekly.out 1125output of the last run of the 1126.Pa /etc/weekly 1127script 1128.It Sy wtmp 1129login/logout log; 1130see 1131.Xr utmp 5 1132.El 1133.Pp 1134.It Sy mail/ 1135user system mailboxes 1136.It Sy msgs/ 1137system messages; see 1138.Xr msgs 1 1139.\" since we use nvi (now called vi) this isn't the place any more, is it? 1140.It Sy preserve/ 1141temporary home of files preserved after an accidental death of 1142.Xr ex 1 1143or 1144.Xr vi 1 1145.It Sy quotas/ 1146filesystem quota information 1147.It Sy run/ 1148system information files, rebuilt after each reboot 1149.Pp 1150.Bl -tag -width "utmp" -compact 1151.It Sy utmp 1152database of current users; see 1153.Xr utmp 5 1154.El 1155.Pp 1156.It Sy rwho/ 1157rwho data files; see 1158.Xr rwhod 8 , 1159.Xr rwho 1 , 1160and 1161.Xr ruptime 1 1162.It Sy spool/ 1163miscellaneous printer and mail system spooling directories 1164.Pp 1165.Bl -tag -width "uucppublic/" -compact 1166.It Sy ftp/ 1167commonly 1168.Dq ~ftp , 1169the anonymous ftp root directory; see 1170.Xr ftpd 8 1171.It Sy mqueue/ 1172sendmail mail queue; 1173see 1174.Xr sendmail 8 1175.It Sy news/ 1176Network news archival and spooling directories 1177.It Sy output/ 1178printer spooling directories 1179.It Sy postfix/ 1180postfix mail queue; 1181see 1182.Xr postfix 1 1183.It Sy uucp/ 1184uucp spool directory 1185.It Sy uucppublic/ 1186commonly 1187.Dq ~uucp , 1188the uucp public temporary directory; see 1189.Xr uucp 1 1190.El 1191.Pp 1192.It Sy tmp/ 1193temporary files that are not discarded between system reboots 1194.Pp 1195.Bl -tag -width "vi.recover/" -compact 1196.It Sy vi.recover/ 1197recovery directory for new 1198.Xr vi 1 1199.El 1200.Pp 1201.It Sy yp/ 1202Databases and configuration for the NIS (YP) system; see 1203.Xr nis 8 . 1204.El 1205.El 1206.Sh SEE ALSO 1207.Xr apropos 1 , 1208.Xr ls 1 , 1209.Xr whatis 1 , 1210.Xr whereis 1 , 1211.Xr which 1 1212.Sh HISTORY 1213A 1214.Nm 1215manual page appeared in 1216.At v7 . 1217