1.\" $NetBSD: hier.7,v 1.63 2004/04/03 15:45:36 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 April 3, 2004 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 kerberosIV/ 195configuration files for the kerberos version IV; 196see 197.Xr kerberos 8 198.It Sy kerberosV/ 199configuration files for the kerberos version V; 200see 201.Xr kerberos 8 202.It Sy localtime 203local timezone information; 204see 205.Xr ctime 3 206.It Sy mail/ 207configuration files for 208.Xr sendmail 8 209.Pp 210.Bl -tag -width "sendmail.*" -compact 211.It Sy aliases* 212name alias files 213.It Sy sendmail.* 214.Xr sendmail 8 215configuration information 216.El 217.It Sy mail.rc 218system-wide initialization script for 219.Xr mail 1 220.It Sy man.conf 221configuration file for 222.Xr man 1 ; 223see 224.Xr man.conf 5 225.It Sy master.passwd 226Main password file, readable only by root; see 227.Xr passwd 5 228.It Sy mk.conf 229optional file containing 230.Xr make 1 231variables, read by pkgsrc and the system sources. 232.It Sy monthly 233script run each month by 234.Xr cron 8 235.It Sy monthly.conf 236configuration file for 237.Sy monthly ; 238see 239.Xr monthly.conf 5 240.It Sy motd 241system message of the day 242.It Sy mtree/ 243mtree configuration files; 244see 245.Xr mtree 8 246.It Sy named.* 247.It Sy namedb/ 248named configuration files and databases; 249see 250.Xr named 8 251.It Sy netgroup 252network groups; see 253.Xr netgroup 5 254.It Sy netstart 255network startup script 256.It Sy networks 257network name data base; see 258.Xr networks 5 259.It Sy passwd 260World readable password file generated from master.passwd; see 261.Xr passwd 5 , 262.Xr pwd_mkdb 8 263.It Sy phones 264remote host phone number data base; see 265.Xr phones 5 266.It Sy printcap 267system printer configuration; see 268.Xr printcap 5 269.It Sy protocols 270protocol name database; see 271.Xr protocols 5 272.It Sy pwd.db 273database form of passwd file; see 274.Xr pwd_mkdb 8 275.It Sy rc 276master system startup script invoked by 277.Xr init 8 ; 278see 279.Xr rc 8 280.It Sy rc.conf 281configuration file for system startup and shutdown scripts; see 282.Xr rc.conf 5 283.It Sy rc.d/ 284directory containing per-subsystem startup and shutdown scripts; see 285.Xr rc 8 286.It Sy rc.local 287locally editable system startup script 288.It Sy rc.shutdown 289master system shutdown script invoked by 290.Xr shutdown 8 ; 291see 292.Xr rc 8 293.It Sy remote 294remote host description file; see 295.Xr remote 5 296.It Sy security 297daily (in)security script run by 298.Xr cron 8 299.It Sy security.conf 300configuration file for 301.Sy security ; 302see 303.Xr security.conf 5 304.It Sy services 305service name data base; see 306.Xr services 5 307.It Sy shells 308list of permitted shells; see 309.Xr shells 5 310.It Sy sliphome/ 311.Tn SLIP 312login/logout scripts; see 313.Xr sliplogin 8 314.It Sy spwd.db 315database form of master.passwd file; see 316.Xr pwd_mkdb 8 317.It Sy syslog.conf 318.Xr syslogd 8 319configuration file; see 320.Xr syslog.conf 5 321.It Sy termcap 322terminal type database; see 323.Xr termcap 3 324.It Sy ttys 325terminal initialization information; see 326.Xr ttys 5 327.It Sy uucp/ 328UUCP configuration files; see 329.Xr uucp 1 330and 331.Xr uucico 8 . 332.It Sy weekly 333script run each week by 334.Xr cron 8 335.It Sy weekly.conf 336configuration file for 337.Sy weekly ; 338see 339.Xr weekly.conf 5 340.El 341.It Sy /home/ 342mount point for the automounter; see 343.Xr amd 8 344.It Sy /lib/ 345dynamic linked libraries used by dynamic linked programs 346(such as those in 347.Pa /bin/ 348and 349.Pa /sbin/ ) 350that cannot rely upon 351.Pa /usr/lib/ 352being available. 353.It Sy /libexec/ 354system utilities (such as the dynamic linker) required by programs 355and libraries that cannot rely upon 356.Pa /usr/libexec/ 357being available. 358.It Sy /mnt/ 359empty directory commonly used by 360system administrators as a temporary mount point 361.It Sy /netbsd 362pure kernel executable (the operating system loaded into memory 363at boot time). 364.It Sy /rescue/ 365statically linked rescue tools, for use in system recovery 366.It Sy /root/ 367home directory for the super-user 368.Pp 369.Bl -tag -width ".profile" -compact 370.It Sy \&.cshrc 371super-user start-up file 372.It Sy \&.login 373super-user start-up file 374.It Sy \&.profile 375super-user start-up file 376.It Sy \&.rhosts 377super-user id mapping between machines 378.El 379.ne 1i 380.It Sy /sbin/ 381system programs and administration utilities 382used in both single-user and multi-user environments 383.It Sy /stand/ 384programs used in a standalone environment 385.It Sy /tmp/ 386temporary files, usually a 387.Xr mfs 8 388memory-based filesystem (the contents of 389.Pa /tmp 390are usually 391.Em not 392preserved across a system reboot) 393.It Sy /usr/ 394contains the majority of the system utilities and files 395.Pp 396.Bl -tag -width "libdata/" -compact 397.It Sy X11R6/ 398X11 files 399.Pp 400.Bl -tag -width "include/" -compact 401.It Sy bin/ 402X11 binaries 403.It Sy include/ 404X11 include files 405.It Sy lib/ 406X11 libraries 407.El 408.Pp 409.It Sy bin/ 410common utilities, programming tools, and applications 411.It Sy games/ 412the important stuff 413.It Sy include/ 414standard C include files 415.Pp 416.Bl -tag -width "kerberosIV/" -compact 417.It Sy arpa/ 418include files for Internet service protocols 419.It Sy g++/ 420include files for the C++ compiler 421.It Sy kerberosIV/ 422include files for kerberos authentication package; 423see 424.Xr kerberos 8 425.It Sy machine/ 426machine specific include files 427.It Sy net/ 428.It Sy netatalk/ 429C include files for AppleTalk protocols 430miscellaneous network include files; 431see 432.Xr atalk 4 433.It Sy netccitt/ 434CCITT networking include files 435.It Sy netinet/ 436include files for Internet standard protocols; see 437.Xr inet 4 438.It Sy netinet6/ 439include files for Internet protocol version 6; see 440.Xr inet6 4 441.It Sy netiso/ 442include files for ISO standard protocols; see 443.Xr iso 4 444.It Sy netkey/ 445include files for secret key management, used for security protocols; see 446.Xr ipsec 4 447.It Sy netnatm/ 448C include files for native mode ATM 449.It Sy netns/ 450C include files for XNS standard protocols; see 451.Xr ns 4 452.It Sy nfs/ 453C include files for NFS (Network File System) 454.It Sy protocols/ 455C include files for Berkeley service protocols 456.It Sy sys/ 457system C include files (kernel data structures) 458.It Sy ufs/ 459C include files for UFS (The U-word File System) 460.El 461.Pp 462.It Sy lib/ 463archive, profiled, position independent archive, and shared libraries 464.It Sy libdata/ 465miscellaneous utility data files 466.It Sy libexec/ 467system daemons \*[Am] system utilities (executed by other programs) 468.Pp 469.Bl -tag -width "uucp/" -compact 470.It Sy uucp/ 471UUCP binaries and scripts (historically placed; to be moved) 472.El 473.Pp 474.It Sy lkm/ 475loadable kernel modules 476.It Sy mdec/ 477boot blocks, etc. 478.It Sy obj/ 479architecture-specific target tree produced by building the 480.Pa /usr/src 481tree; normally a symbolic link or mounted filesystem 482.It Sy pkg/ 483packages maintained by groups other than the 484.Nx 485Project. 486.Pp 487.Bl -tag -width "include/" -compact 488.It Sy bin/ 489contributed binaries 490.It Sy include/ 491contributed include files 492.It Sy lib/ 493contributed libraries 494.It Sy libdata/ 495contributed data files 496.It Sy libexec/ 497contributed daemons 498.It Sy sbin/ 499contributed system utilities 500.El 501.Pp 502.It Sy pkgsrc/ 503build descriptions ("packages") for the 504.Nx 505packages system. 506.Pp 507.Bl -tag -width "distfiles" -compact 508.It Sy distfiles 509Where unchanged source archives are fetched to/stored 510.It Sy packages 511Where compiled binary packages are stored 512.El 513.Pp 514There are also several other subdirectories which contain packages of 515a certain category, e.g., archivers, graphics, ... 516.Pp 517.It Sy sbin/ 518system daemons and system utilities (normally executed by the super-user) 519.It Sy share/ 520architecture-independent text files 521.Pp 522.Bl -tag -width "calendar/" -compact 523.It Sy calendar/ 524a variety of calendar files; see 525.Xr calendar 1 526.It Sy dict/ 527word lists; 528see 529.Xr look 1 530and 531.Xr spell 1 532.Pp 533.Bl -tag -width "special/" -compact 534.It Sy words 535common words 536.It Sy web2 537words of Webster's 2nd International 538.It Sy papers/ 539reference databases; 540see 541.Xr refer 1 542.It Sy special/ 543custom word lists; 544see 545.Xr spell 1 546.El 547.Pp 548.It Sy doc/ 549miscellaneous documentation; source for most of the printed 550.Bx 4.3 551manuals (available 552from the 553.Tn USENIX 554association) 555.It Sy games/ 556text files used by various games 557.It Sy lkm/ 558documentation on the loadable kernel modules interface 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 skel/ 583sample initialization files for new user accounts 584.It Sy tabset/ 585tab description files for a variety of terminals, used in 586the termcap file; 587see 588.Xr termcap 5 589.It Sy tmac/ 590text processing macros; 591see 592.Xr nroff 1 593and 594.Xr troff 1 595.It Sy zoneinfo/ 596timezone configuration information; 597see 598.Xr tzfile 5 599.El 600.Pp 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 crypto/ 612cryptographic source, which may have import or export restrictions 613.It Sy dist/ 614third-party 615.Sq virgin 616source code, referenced by other parts of the source tree 617.It Sy distrib/ 618tools and data-files for making distributions 619.It Sy doc/ 620documentation about the source tree (i.e., about the tree, not about 621how to use the built software.) 622.It Sy etc/ 623source (usually example files) for files in 624.Pa /etc 625.It Sy games/ 626source for utilities/files in 627.Pa /usr/games 628.It Sy gnu/ 629source for programs covered by the 630.Tn GNU 631license (or similar) 632.It Sy include/ 633source for files in 634.Pa /usr/include 635.It Sy lib/ 636source for libraries in 637.Pa /usr/lib 638.It Sy libexec/ 639source for utilities/files in 640.Pa /usr/libexec 641.It Sy regress/ 642various regression tests 643.It Sy rescue/ 644source/makefiles for /rescue 645.It Sy sbin/ 646source for utilities/files in 647.Pa /sbin 648.It Sy share/ 649source for files in 650.Pa /usr/share 651.Pp 652.Bl -tag -width "doc/" -compact 653.It Sy doc/ 654.Pp 655.Bl -tag -width "papers/" -compact 656.It Sy papers/ 657source for various Berkeley technical papers 658.It Sy psd/ 659source for Programmer's Supplementary Documents 660.It Sy smm/ 661source for System Manager's Manual 662.It Sy usd/ 663source for User's Supplementary Documents 664.Pp 665.El 666.El 667.It Sy sys/ 668kernel source files 669.Pp 670.Bl -tag -width "gdbscripts/" -compact 671.It Sy arch/ 672architecture-specific support 673.Pp 674.Bl -tag -width "playstation2/" -compact 675.It Sy acorn26/ 676ARM2 and ARM3 based systems 677.It Sy acorn32/ 678Acorn RiscPC/A7000/NC and compatibles 679.It Sy algor/ 680Algorithmics MIPS evaluations board 681.It Sy alpha/ 682Digital Equipment Corp. Alpha architecture 683.It Sy amd64/ 684AMD64 based systems 685.It Sy amiga/ 686Amiga architecture 687.It Sy amigappc/ 688PowerPC based Amiga architecture 689.It Sy arc/ 690ARC specification compliant systems. 691.It Sy arm/ 692ARM processor general support 693.It Sy atari/ 694Atari architecture 695.It Sy bebox/ 696Be Inc. BeBox architecture 697.It Sy cats/ 698Chalice Technology StrongARM evaluation board 699.It Sy cesfic/ 700CES FIC8234 VME processor board 701.It Sy cobalt/ 702Cobalt Networks MIPS Microserver architecture 703.It Sy dreamcast/ 704Sega Dreamcast game console 705.It Sy evbarm/ 706ARM based evaluation boards 707.It Sy evbmips/ 708MIPS based evaluation boards 709.It Sy evbppc/ 710PowerPC based evaluation board 711.It Sy evbsh3/ 712SH3 based evaluation boards 713.It Sy hp300/ 714Hewlett-Packard 9000/300 680x0-based workstations 715.It Sy hparm/ 716StrongARM based WinCE hand-held devices 717.It Sy hpcmips/ 718MIPS based WinCE hand-held devices 719.It Sy hpcsh/ 720Hitachi SH3/4 based WinCE hand-held devices 721.It Sy i386/ 722Intel 386/486/Pentium/etc. workstations 723.It Sy luna68k/ 724Omron LUNA 68000-based workstations 725.It Sy m68k/ 726680x0 processor support 727.It Sy mac68k/ 728Apple Computer 680x0-based workstations 729.It Sy macppc/ 730Apple Computer PowerPC-based workstations 731.It Sy mips/ 732MIPS processor support 733.It Sy mipsco/ 734MIPS Computer Systems Inc. architecture 735.It Sy mmeye/ 736Brains Inc. SH3 based mmEye multimedia server 737.It Sy mvme68k/ 738VME 680x0-based cards 739.It Sy news68k/ 740Sony NEWS 680x0-based workstations 741.It Sy newsmips/ 742Sony NEWS MIPS-based workstations 743.It Sy next68k/ 744NeXT 680x0-based workstations 745.It Sy ofppc/ 746Open Firmware PowerPC workstations 747.It Sy pc532/ 748pc532 architecture 749.It Sy playstation2/ 750SONY PlayStation 2 751.It Sy pmax/ 752MIPS-based DECstation architecture 753.It Sy pmppc/ 754Artesyn's PM/PPC board 755.It Sy powerpc/ 756PowerPC processor support 757.It Sy prep/ 758PowerPC Reference Platform 759.It Sy sandpoint/ 760Motorola Sandpoint reference platform 761.It Sy sbmips/ 762Broadcom/SiByte MIPS architecture 763.It Sy sgimips/ 764SGI MIPS architecture 765.It Sy sh3/ 766SH3 processor general support 767.It Sy shark/ 768StrongARM based Digital DNARD ("Shark") machines 769.It Sy sparc/ 770Sun Microsystems SPARC architecture 771.It Sy sparc64/ 772Sun Microsystems UltraSPARC architecture 773.It Sy sun2/ 774Sun Microsystems 68010-based Sun 2 architecture 775.It Sy sun3/ 776Sun Microsystems 68020/68030-based Sun 3/3x architecture 777.It Sy sun68k/ 778680x0-based Sun architecture general support 779.It Sy vax/ 780Digital Equipment Corp. VAX architecture 781.It Sy x68k/ 782Sharp X680x0 680x0-based workstations 783.El 784.Pp 785.It Sy compat/ 786kernel compatibility modules directory 787.Pp 788.Bl -tag -width "ossaudio/" -compact 789.It Sy common/ 790common compatibility routines, old 791.Bx 4 792and 793.Nx 794routines. 795.It Sy freebsd/ 796support for 797.Fx 798binaries; see 799.Xr compat_freebsd 8 800.It Sy hpux/ 801support for 68000 HP-UX binaries 802.It Sy ibcs2/ 803support for Intel Binary binaries 804.It Sy linux/ 805support for Linux binaries; see 806.Xr compat_linux 8 807.It Sy m68k4k/ 808support for 4KB page 68000 binaries 809.It Sy netbsd32/ 810support for 811.Nx 81232-bit binaries on 64 bit platforms with compatible CPU families 813.It Sy osf1/ 814support for 815.Tn Digital 816.Ux 817.Po 818formerly 819.Tn OSF/1 820.Pc 821binaries 822.It Sy ossaudio/ 823support for OSS audio 824.It Sy pecoff/ 825support for 826.Tn Win32 827binaries; see 828.Xr compat_pecoff 8 829.It Sy sunos/ 830support for 831.Tn SunOS 4.x 832binaries; see 833.Xr compat_sunos 8 834.It Sy svr4/ 835support for System V Release 4 binaries; see 836.Xr compat_svr4 8 837.It Sy ultrix/ 838support for 839.Tn ULTRIX 840binaries 841.It Sy vax1k/ 842support for older VAX binaries that started on a 1 KB boundary 843.El 844.Pp 845.It Sy conf/ 846architecture independent configuration directory 847.It Sy crypto/ 848cryptographic kernel source, which may have import or export restrictions 849.It Sy ddb/ 850in kernel debugger 851.It Sy dev/ 852architecture independent device support 853.It Sy fs/ 854miscellaneous file systems 855.Bl -tag -width "filecorefs/" -compact 856.It Sy adosfs/ 857AmigaDOS file-system support; see 858.Xr mount_ados 8 859.It Sy cd9660/ 860support for the ISO-9660 filesystem; see 861.Xr mount_cd9660 8 862.It Sy filecorefs/ 863support for the Acorn RISC OS filecore filesystem; see 864.Xr mount_filecore 8 865.It Sy msdosfs/ 866.Tn MS-DOS 867file system; see 868.Xr mount_msdos 8 869.It Sy ntfs/ 870NTFS filesystem support; see 871.Xr mount_ntfs 8 872.It Sy smbfs 873SMB/CIFS filesystem support; see 874.Xr mount_smbfs 8 875.It Sy union/ 876union file system; see 877.Xr mount_union 8 878.El 879.It Sy gdbscripts/ 880support for accessing kernel structures from within the debugger 881.Xr gdb 1 . 882.It Sy ipkdb/ 883support for kernel debugging over the network 884.Pp 885.It Sy kern/ 886support for the high kernel (system calls) 887.It Sy lib/ 888kernel libraries 889.Pp 890.Bl -tag -width "libkern/" -compact 891.It Sy libkern/ 892C library routines used in the kernel 893.It Sy libsa/ 894machine independent stand alone kernel library 895.It Sy libz/ 896compression library 897.El 898.Pp 899.It Sy lkm/ 900loadable kernel modules 901.Pp 902.Bl -tag -width "gdbscripts/" -compact 903.It Sy compat/ 904LKM support compatibility modules; currently unsupported. 905.It Sy netinet/ 906LKM support networking modules 907.Pp 908.Bl -tag -width "if_ipl/" -compact 909.It Sy if_ipl/ 910LKM for IP-Filter 911.El 912.Pp 913.It Sy vfs/ 914LKM support for file systems. 915.El 916.Pp 917.It Sy miscfs/ 918miscellaneous file systems 919.Pp 920.Bl -tag -width "deadfs/" -compact 921.It Sy deadfs/ 922kernel only dead file system 923.It Sy fdesc/ 924file descriptor file system; see 925.Xr mount_fdesc 8 926.It Sy fifofs/ 927POSIX FIFO support 928.It Sy genfs/ 929kernel only generic file system 930.It Sy kernfs/ 931kernel namespace file system; see 932.Xr mount_kernfs 8 933.It Sy nullfs/ 934loop back file system; see 935.Xr mount_null 8 936.It Sy overlay/ 937overlay file system; see 938.Xr mount_overlay 8 939.It Sy portal/ 940portal file system; see 941.Xr mount_portal 8 942.It Sy procfs/ 943process file system; see 944.Xr mount_procfs 8 945.It Sy specfs/ 946kernel only special file system 947.It Sy syncfs/ 948kernel trickle sync algorithm 949.It Sy umapfs/ 950user and group re-mapping file system; see 951.Xr mount_umap 8 952.El 953.Pp 954.It Sy net/ 955miscellaneous networking support 956.It Sy netatalk/ 957AppleTalk networking support 958.It Sy netccitt/ 959CCITT networking support 960.It Sy netinet/ 961IP networking support 962.It Sy netinet6/ 963IPv6 networking support 964.It Sy netiso/ 965ISO networking support 966.It Sy netkey/ 967Key database for IPsec networking support 968.It Sy netnatm/ 969ATM networking support 970.It Sy netns/ 971XNS networking support 972.It Sy nfs/ 973NFS support 974.It Sy stand/ 975kernel standalone support 976.It Sy sys/ 977kernel (and system) include files 978.It Sy ufs/ 979local filesystem support 980.Pp 981.Bl -tag -width "ffs/" -compact 982.It Sy ffs/ 983the Berkeley Fast File System 984.It Sy lfs/ 985the log-structured file system 986.It Sy mfs/ 987the in-memory file system 988.It Sy ufs/ 989shared 990.Ux 991file system support 992.El 993.It Sy uvm/ 994UVM virtual memory system 995.El 996.It Sy usr.bin/ 997source for utilities/files in 998.Pa /usr/bin 999.It Sy usr.sbin/ 1000source for utilities/files in 1001.Pa /usr/sbin 1002.El 1003.It Sy /var/ 1004multi-purpose log, temporary, transient, and spool files 1005.Pp 1006.Bl -tag -width "preserve/" -compact 1007.It Sy account/ 1008system accounting files 1009.Pp 1010.Bl -tag -width "acct" -compact 1011.It Sy acct 1012execution accounting file; 1013see 1014.Xr acct 5 1015.El 1016.Pp 1017.It Sy at/ 1018timed command scheduling files; 1019see 1020.Xr at 1 1021.It Sy backups/ 1022miscellaneous backup files, largely of files found in 1023.Pa /etc 1024.It Sy chroot/ 1025home directories of applications which are run in a 1026.Xr chroot 8 1027.Dq cage . 1028.It Sy crash/ 1029system crash dumps; see 1030.Xr savecore 8 1031.It Sy cron/ 1032scheduled commands configuration files; see 1033.Xr cron 8 1034.It Sy db/ 1035miscellaneous automatically generated system-specific database files, 1036and persistent files used in the maintenance of third party software. 1037.Pp 1038.Bl -tag -width "monthly.out" -compact 1039.It Sy pkg 1040default location for metadata related to third party software 1041packages. 1042See 1043.Xr pkg_install 1 1044for more details of the 1045.Nx 1046Packages Collection, or pkgsrc. 1047.El 1048.Pp 1049.It Sy games/ 1050miscellaneous game status and log files 1051.It Sy heimdal/ 1052Kerberos 5 KDC database; see 1053.Xr kdc 8 1054.It Sy log/ 1055miscellaneous system log files 1056.Pp 1057.Bl -tag -width "monthly.out" -compact 1058.It Sy amd.* 1059.Xr amd 8 1060logs 1061.It Sy daily.out 1062output of the last run of the 1063.Pa /etc/daily 1064script 1065.It Sy ftp.* 1066.Xr ftp 1 1067logs 1068.It Sy kerberos.* 1069.Xr kerberos 8 1070logs 1071.It Sy lastlog 1072system last time logged in log; see 1073.Xr utmp 5 1074.It Sy lpd-errs.* 1075printer daemon error logs; see 1076.Xr lpd 8 1077.It Sy maillog.* 1078.Xr sendmail 8 1079log files 1080.It Sy messages.* 1081general system information log 1082.It Sy monthly.out 1083output of the last run of the 1084.Pa /etc/monthly 1085script 1086.It Sy secure 1087sensitive security information log 1088.It Sy sendmail.st 1089.Xr sendmail 8 1090statistics 1091.It Sy timed.* 1092.Xr timed 8 1093logs 1094.It Sy weekly.out 1095output of the last run of the 1096.Pa /etc/weekly 1097script 1098.It Sy wtmp 1099login/logout log; 1100see 1101.Xr utmp 5 1102.El 1103.Pp 1104.It Sy mail/ 1105user system mailboxes 1106.It Sy msgs/ 1107system messages; see 1108.Xr msgs 1 1109.\" since we use nvi (now called vi) this isn't the place any more, is it? 1110.It Sy preserve/ 1111temporary home of files preserved after an accidental death of 1112.Xr ex 1 1113or 1114.Xr vi 1 1115.It Sy quotas/ 1116filesystem quota information 1117.It Sy run/ 1118system information files, rebuilt after each reboot 1119.Pp 1120.Bl -tag -width "utmp" -compact 1121.It Sy utmp 1122database of current users; see 1123.Xr utmp 5 1124.El 1125.Pp 1126.It Sy rwho/ 1127rwho data files; see 1128.Xr rwhod 8 , 1129.Xr rwho 1 , 1130and 1131.Xr ruptime 1 1132.It Sy spool/ 1133miscellaneous printer and mail system spooling directories 1134.Pp 1135.Bl -tag -width "uucppublic/" -compact 1136.It Sy ftp/ 1137commonly 1138.Dq ~ftp , 1139the anonymous ftp root directory; see 1140.Xr ftpd 8 1141.It Sy mqueue/ 1142sendmail mail queue; 1143see 1144.Xr sendmail 8 1145.It Sy news/ 1146Network news archival and spooling directories 1147.It Sy output/ 1148printer spooling directories 1149.It Sy postfix/ 1150postfix mail queue; 1151see 1152.Xr postfix 1 1153.It Sy uucp/ 1154uucp spool directory 1155.It Sy uucppublic/ 1156commonly 1157.Dq ~uucp , 1158the uucp public temporary directory; see 1159.Xr uucp 1 1160.El 1161.Pp 1162.It Sy tmp/ 1163temporary files that are not discarded between system reboots 1164.Pp 1165.Bl -tag -width "vi.recover/" -compact 1166.It Sy vi.recover/ 1167recovery directory for new 1168.Xr vi 1 1169.El 1170.Pp 1171.It Sy yp/ 1172Databases and configuration for the NIS (YP) system; see 1173.Xr nis 8 . 1174.El 1175.El 1176.Sh SEE ALSO 1177.Xr apropos 1 , 1178.Xr ls 1 , 1179.Xr whatis 1 , 1180.Xr whereis 1 , 1181.Xr which 1 1182.Sh HISTORY 1183A 1184.Nm 1185manual page appeared in 1186.At v7 . 1187