1.\" $NetBSD: hier.7,v 1.84 2009/01/14 01:51:29 reed 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 January 13, 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.ne 1i 389.It Sy /sbin/ 390system programs and administration utilities 391used in both single-user and multi-user environments 392.It Sy /stand/ 393programs used in a standalone environment 394.It Sy /tmp/ 395temporary files, usually a 396.Xr mfs 8 397memory-based filesystem (the contents of 398.Pa /tmp 399are usually 400.Em not 401preserved across a system reboot) 402.It Sy /usr/ 403contains the majority of the system utilities and files 404.Pp 405.Bl -tag -width "libdata/" -compact 406.It Sy X11R6/ 407X11 files 408.Pp 409.Bl -tag -width "include/" -compact 410.It Sy bin/ 411X11 binaries 412.It Sy include/ 413X11 include files 414.It Sy lib/ 415X11 libraries 416.El 417.Pp 418.It Sy bin/ 419common utilities, programming tools, and applications 420.It Sy games/ 421the important stuff 422.It Sy include/ 423standard C include files 424.Pp 425.Bl -tag -width "protocols/" -compact 426.It Sy arpa/ 427include files for Internet service protocols 428.It Sy atf/ 429include files for the Automated Testing Framework; see 430.Xr atf 1 431.It Sy g++/ 432include files for the C++ compiler 433.It Sy machine/ 434machine specific include files 435.It Sy net/ 436.It Sy netatalk/ 437C include files for AppleTalk protocols 438miscellaneous network include files; 439see 440.Xr atalk 4 441.It Sy netinet/ 442include files for Internet standard protocols; see 443.Xr inet 4 444.It Sy netinet6/ 445include files for Internet protocol version 6; see 446.Xr inet6 4 447.It Sy netiso/ 448include files for ISO standard protocols; see 449.Xr iso 4 450.It Sy netkey/ 451include files for secret key management, used for security protocols; see 452.Xr ipsec 4 453.It Sy netnatm/ 454C include files for native mode ATM 455.It Sy nfs/ 456C include files for NFS (Network File System) 457.It Sy protocols/ 458C include files for Berkeley service protocols 459.It Sy sys/ 460system C include files (kernel data structures) 461.It Sy ufs/ 462C include files for UFS (The U-word File System) 463.El 464.Pp 465.It Sy lib/ 466archive, profiled, position independent archive, and shared libraries 467.It Sy libdata/ 468miscellaneous utility data files 469.It Sy libexec/ 470system daemons \*[Am] system utilities (executed by other programs) 471.Pp 472.Bl -tag -width "uucp/" -compact 473.It Sy uucp/ 474UUCP binaries and scripts (historically placed; to be moved) 475.El 476.Pp 477.It Sy mdec/ 478boot blocks, etc. 479.It Sy obj/ 480architecture-specific target tree produced by building the 481.Pa /usr/src 482tree; normally a symbolic link or mounted filesystem 483.It Sy pkg/ 484packages maintained by groups other than the 485.Nx 486Project. 487.Pp 488.Bl -tag -width "include/" -compact 489.It Sy bin/ 490contributed binaries 491.It Sy include/ 492contributed include files 493.It Sy lib/ 494contributed libraries 495.It Sy libdata/ 496contributed data files 497.It Sy libexec/ 498contributed daemons 499.It Sy sbin/ 500contributed system utilities 501.El 502.Pp 503.It Sy pkgsrc/ 504build descriptions ("packages") for the 505.Nx 506packages system. 507.Pp 508.Bl -tag -width "distfilesX" -compact 509.It Sy distfiles/ 510Where unchanged source archives are fetched to/stored 511.It Sy packages/ 512Where compiled binary packages are stored 513.El 514.Pp 515There are also several other subdirectories which contain packages of 516a certain category, e.g., archivers, graphics, ... 517.Pp 518.It Sy sbin/ 519system daemons and system utilities (normally executed by the super-user) 520.It Sy share/ 521architecture-independent text files 522.Pp 523.Bl -tag -width "calendar/" -compact 524.It Sy calendar/ 525a variety of calendar files; see 526.Xr calendar 1 527.It Sy dict/ 528word lists; 529see 530.Xr look 1 531and 532.Xr spell 1 533.Pp 534.Bl -tag -width "special/" -compact 535.It Sy words 536common words 537.It Sy web2 538words of Webster's 2nd International 539.It Sy papers/ 540reference databases; 541see 542.Xr refer 1 543.It Sy special/ 544custom word lists; 545see 546.Xr spell 1 547.El 548.Pp 549.It Sy doc/ 550miscellaneous documentation; source for most of the printed 551.Bx 4.3 552manuals (available 553from the 554.Tn USENIX 555association) 556.It Sy games/ 557text files used by various games 558.It Sy i18n/ 559internationalization databases; see 560.Xr iconv 3 561.It Sy locale/ 562locale databases and gettext message catalogs; see 563.Xr setlocale 3 564and 565.Xr gettext 3 566.It Sy man/ 567formatted manual pages 568.It Sy me/ 569macros for use with the 570.Xr me 7 571macro package 572.It Sy misc/ 573miscellaneous system-wide text files 574.Pp 575.Bl -tag -width "termcap" -compact 576.It Sy termcap 577terminal characteristics database; 578see 579.Xr termcap 5 580.El 581.Pp 582.It Sy mk/ 583include files for 584.Xr make 1 585.It Sy ms/ 586macros for use with the 587.Xr ms 7 588macro package 589.It Sy nls/ 590message catalogs; see 591.Xr catgets 3 592.It Sy skel/ 593sample initialization files for new user accounts 594.It Sy tabset/ 595tab description files for a variety of terminals, used in 596the termcap file; 597see 598.Xr termcap 5 599.It Sy tmac/ 600text processing macros; 601see 602.Xr nroff 1 603and 604.Xr troff 1 605.It Sy zoneinfo/ 606timezone configuration information; 607see 608.Xr tzfile 5 609.El 610.It Sy tests/ 611test programs; see 612.Xr atf-run 1 613for information on how to run them 614.El 615.Pp 616.It Sy /usr/src/ 617.Nx 618and local source files 619.Pp 620.Bl -tag -width "domestic/" -compact 621.It Sy bin/ 622source for utilities/files in 623.Pa /bin 624.It Sy common/ 625sources shared between kernel and userland 626.It Sy crypto/ 627cryptographic source, which may have import or export restrictions 628.It Sy dist/ 629third-party 630.Sq virgin 631source code, referenced by other parts of the source tree 632.It Sy distrib/ 633tools and data-files for making distributions 634.It Sy doc/ 635documentation about the source tree (i.e., about the tree, not about 636how to use the built software.) 637.It Sy etc/ 638source (usually example files) for files in 639.Pa /etc 640.It Sy external/ 641source for programs from external third parties 642(where 643.Nx 644is the not the primary maintainer), 645grouped by license, and then products per license 646.Pp 647.Bl -tag -width "bsd/" -compact 648.It Sy bsd/ 649BSD (or equivalent) licensed software, 650possibly with the 651.Dq advertising clause 652.El 653.Pp 654.It Sy games/ 655source for utilities/files in 656.Pa /usr/games 657.It Sy gnu/ 658source for programs covered by the 659.Tn GNU 660license (or similar) 661.It Sy include/ 662source for files in 663.Pa /usr/include 664.It Sy lib/ 665source for libraries in 666.Pa /usr/lib 667.It Sy libexec/ 668source for utilities/files in 669.Pa /usr/libexec 670.It Sy regress/ 671various regression tests 672.It Sy rescue/ 673source/makefiles for /rescue 674.It Sy sbin/ 675source for utilities/files in 676.Pa /sbin 677.It Sy share/ 678source for files in 679.Pa /usr/share 680.Pp 681.Bl -tag -width "doc/" -compact 682.It Sy doc/ 683.Pp 684.Bl -tag -width "papers/" -compact 685.It Sy papers/ 686source for various Berkeley technical papers 687.It Sy psd/ 688source for Programmer's Supplementary Documents 689.It Sy smm/ 690source for System Manager's Manual 691.It Sy usd/ 692source for User's Supplementary Documents 693.Pp 694.El 695.El 696.It Sy sys/ 697kernel source files 698.Pp 699.Bl -tag -width "gdbscripts/" -compact 700.It Sy arch/ 701architecture-specific support 702.Pp 703.Bl -tag -width "playstation2/" -compact 704.It Sy acorn26/ 705Acorn Archimedes, A-series and R-series systems 706.It Sy acorn32/ 707Acorn RiscPC/A7000 and VLSI RC7500 708.It Sy algor/ 709Algorithmics Ltd. MIPS evaluations boards 710.It Sy alpha/ 711Digital/Compaq Alpha 712.It Sy amd64/ 713Computers with x86_64 capable CPUs 714.It Sy amiga/ 715Commodore Amiga and MacroSystem DraCo 716.It Sy amigappc/ 717PowerPC based Amiga boards 718.It Sy arc/ 719MIPS-based machines following the Advanced RISC Computing spec 720.It Sy arm/ 721ARM processor general support 722.It Sy atari/ 723Atari TT030, Falcon and Hades 724.It Sy bebox/ 725Be Inc. BeBox 726.It Sy cats/ 727Chalice Technology's CATS and Intel's EBSA-285 evaluation boards 728.It Sy cesfic/ 729CES FIC8234 VME processor board 730.It Sy cobalt/ 731Cobalt Networks' MIPS-based Microserver 732.It Sy dreamcast/ 733Sega Dreamcast game console 734.It Sy evbarm/ 735ARM based evaluation boards 736.It Sy evbmips/ 737MIPS based evaluation boards 738.It Sy evbppc/ 739PowerPC based evaluation boards and appliances 740.It Sy evbsh3/ 741SH3/SH4 based evaluation boards 742.It Sy ews4800mips/ 743NEC's MIPS based EWS4800 workstations 744.It Sy hp300/ 745Hewlett-Packard 9000/300 and 400 680x0-based workstations 746.It Sy hp700/ 747Hewlett-Packard 9000/700 HPPA based workstations 748.It Sy hpcarm/ 749StrongARM based WinCE PDA machines 750.It Sy hpcmips/ 751MIPS based WinCE PDA machines 752.It Sy hpcsh/ 753Hitachi SH3/4 based WinCE PDA machines 754.It Sy hppa/ 755HPPA processor general support 756.It Sy i386/ 75780x86-based IBM PCs and clones 758.It Sy ibmnws/ 759IBM Network Station 1000 760.It Sy iyonix/ 761Castle Technology's Iyonix ARM based PCs 762.It Sy luna68k/ 763Omron Tateishi Electric's 680x0-based LUNA workstations 764.It Sy m68k/ 765680x0 processor general support 766.It Sy mac68k/ 767Apple Macintosh with 68k CPU 768.It Sy macppc/ 769Apple Power Macintosh and clones 770.It Sy mips/ 771MIPS processor general support 772.It Sy mipsco/ 773MIPS Computer Systems Inc. family of workstations and servers 774.It Sy mmeye/ 775Brains Inc. SH3 based mmEye multimedia server 776.It Sy mvme68k/ 777Motorola MVME 680x0-based SBCs 778.It Sy mvmeppc/ 779Motorola PowerPC VME SBCs 780.It Sy netwinder/ 781StrongARM based NetWinder machines 782.It Sy news68k/ 783Sony's 680x0-based NEWS workstations 784.It Sy newsmips/ 785Sony's MIPS-based NEWS workstations 786.It Sy next68k/ 787NeXT 68k "black" hardware 788.It Sy ofppc/ 789Open Firmware PowerPC workstations 790.It Sy playstation2/ 791SONY PlayStation 2 792.It Sy pmax/ 793Digital MIPS-based DECstations and DECsystems 794.It Sy powerpc/ 795PowerPC processor support 796.It Sy prep/ 797PReP (PowerPC Reference Platform) and CHRP machines 798.It Sy sandpoint/ 799Motorola Sandpoint reference platform 800.It Sy sbmips/ 801Broadcom/SiByte evaluation boards 802.It Sy sgimips/ 803Silicon Graphics' MIPS-based workstations 804.It Sy sh3/ 805SH3/SH4 processor general support 806.It Sy shark/ 807Digital DNARD ("Shark") 808.It Sy sparc/ 809Sun Microsystems SPARC (32-bit) and UltraSPARC (in 32-bit mode) 810.It Sy sparc64/ 811Sun Microsystems UltraSPARC (in native 64-bit mode) 812.It Sy sun2/ 813Sun Microsystems 68010-based Sun 2 architecture 814.It Sy sun3/ 815Sun Microsystems 68020/68030-based Sun 3/3x architecture 816.It Sy sun68k/ 817680x0-based Sun architecture general support 818.It Sy vax/ 819Digital VAX 820.It Sy x68k/ 821Sharp X680x0 680x0-based workstations 822.It Sy x86/ 823General support for PC/AT compatibles with ia32 or x86_64 CPUs 824.It Sy xen/ 825The Xen virtual machine monitor 826.It Sy zaurus/ 827Sharp C3x00 Arm based PDA 828.El 829.Pp 830.It Sy compat/ 831kernel compatibility modules directory 832.Pp 833.Bl -tag -width "ossaudio/" -compact 834.It Sy common/ 835common compatibility routines, old 836.Bx 4 837and 838.Nx 839routines. 840.It Sy freebsd/ 841support for 842.Fx 843binaries; see 844.Xr compat_freebsd 8 845.It Sy hpux/ 846support for 68000 HP-UX binaries 847.It Sy ibcs2/ 848support for Intel Binary binaries 849.It Sy linux/ 850support for Linux binaries; see 851.Xr compat_linux 8 852.It Sy m68k4k/ 853support for 4KB page 68000 binaries 854.It Sy netbsd32/ 855support for 856.Nx 85732-bit binaries on 64 bit platforms with compatible CPU families 858.It Sy osf1/ 859support for 860.Tn Digital 861.Ux 862.Po 863formerly 864.Tn OSF/1 865.Pc 866binaries 867.It Sy ossaudio/ 868support for OSS audio 869.It Sy pecoff/ 870support for 871.Tn Win32 872binaries; see 873.Xr compat_pecoff 8 874.It Sy sunos/ 875support for 876.Tn SunOS 4.x 877binaries; see 878.Xr compat_sunos 8 879.It Sy svr4/ 880support for System V Release 4 binaries; see 881.Xr compat_svr4 8 882.It Sy ultrix/ 883support for 884.Tn ULTRIX 885binaries 886.It Sy vax1k/ 887support for older VAX binaries that started on a 1 KB boundary 888.El 889.Pp 890.It Sy conf/ 891architecture independent configuration directory 892.It Sy crypto/ 893cryptographic kernel source, which may have import or export restrictions 894.It Sy ddb/ 895in kernel debugger 896.It Sy dev/ 897architecture independent device support 898.It Sy fs/ 899miscellaneous file systems 900.Bl -tag -width "filecorefs/" -compact 901.It Sy adosfs/ 902AmigaDOS file-system support; see 903.Xr mount_ados 8 904.It Sy cd9660/ 905support for the ISO-9660 filesystem; see 906.Xr mount_cd9660 8 907.It Sy filecorefs/ 908support for the Acorn RISC OS filecore filesystem; see 909.Xr mount_filecore 8 910.It Sy msdosfs/ 911.Tn MS-DOS 912file system; see 913.Xr mount_msdos 8 914.It Sy ntfs/ 915NTFS filesystem support; see 916.Xr mount_ntfs 8 917.It Sy ptyfs/ 918pseudo-terminal device filesystem; see 919.Xr mount_ptyfs 8 920.It Sy smbfs/ 921SMB/CIFS filesystem support; see 922.Xr mount_smbfs 8 923.It Sy union/ 924union file system; see 925.Xr mount_union 8 926.El 927.It Sy gdbscripts/ 928support for accessing kernel structures from within the debugger 929.Xr gdb 1 . 930.It Sy ipkdb/ 931support for kernel debugging over the network 932.Pp 933.It Sy kern/ 934support for the high kernel (system calls) 935.It Sy lib/ 936kernel libraries 937.Pp 938.Bl -tag -width "libkern/" -compact 939.It Sy libkern/ 940C library routines used in the kernel 941.It Sy libsa/ 942machine independent stand alone kernel library 943.It Sy libz/ 944compression library 945.El 946.Pp 947.It Sy miscfs/ 948miscellaneous file systems 949.Pp 950.Bl -tag -width "deadfs/" -compact 951.It Sy deadfs/ 952kernel only dead file system 953.It Sy fdesc/ 954file descriptor file system; see 955.Xr mount_fdesc 8 956.It Sy fifofs/ 957POSIX FIFO support 958.It Sy genfs/ 959kernel only generic file system 960.It Sy kernfs/ 961kernel namespace file system; see 962.Xr mount_kernfs 8 963.It Sy nullfs/ 964loop back file system; see 965.Xr mount_null 8 966.It Sy overlay/ 967overlay file system; see 968.Xr mount_overlay 8 969.It Sy portal/ 970portal file system; see 971.Xr mount_portal 8 972.It Sy procfs/ 973process file system; see 974.Xr mount_procfs 8 975.It Sy specfs/ 976kernel only special file system 977.It Sy syncfs/ 978kernel trickle sync algorithm 979.It Sy umapfs/ 980user and group re-mapping file system; see 981.Xr mount_umap 8 982.El 983.Pp 984.It Sy net/ 985miscellaneous networking support 986.It Sy netatalk/ 987AppleTalk networking support 988.It Sy netinet/ 989IP networking support 990.It Sy netinet6/ 991IPv6 networking support 992.It Sy netiso/ 993ISO networking support 994.It Sy netkey/ 995Key database for IPsec networking support 996.It Sy netnatm/ 997ATM networking support 998.It Sy nfs/ 999NFS support 1000.It Sy stand/ 1001kernel standalone support 1002.It Sy sys/ 1003kernel (and system) include files 1004.It Sy ufs/ 1005local filesystem support 1006.Pp 1007.Bl -tag -width "ffs/" -compact 1008.It Sy ffs/ 1009the Berkeley Fast File System 1010.It Sy lfs/ 1011the log-structured file system 1012.It Sy mfs/ 1013the in-memory file system 1014.It Sy ufs/ 1015shared 1016.Ux 1017file system support 1018.El 1019.It Sy uvm/ 1020UVM virtual memory system 1021.El 1022.It Sy tests/ 1023source for test programs in 1024.Pa /usr/tests 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