1.\" $NetBSD: hier.7,v 1.50 2003/01/02 22:24:49 jmmv 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. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)hier.7 8.5 (Berkeley) 6/1/94 35.\" 36.Dd December 20, 2002 37.Dt HIER 7 38.Os 39.Sh NAME 40.Nm hier 41.Nd layout of filesystems 42.Sh DESCRIPTION 43An outline of the filesystem hierarchy. 44.Pp 45Naming is very important. 46The 47.Ux 48System relies on filename conventions for much of its power as a system. 49The following file system layout describes generally where things are 50and what they are, with references to other man pages for more detailed 51documentation. 52.Pp 53Not all files will be in every system. 54.Pp 55.Bl -tag -width "/altroot/" 56.It Sy \&/ 57root directory of the system 58.It Sy /COPYRIGHT 59system copyright notice, most often put on 60.Tn CD-ROM 61distributions. 62.It Sy "/[a-z]/" 63user filesystems 64.It Sy /altroot/ 65alternate root filesystem, in case of disaster 66.It Sy /amd/ 67home directories mount point; see 68.Xr amd 8 69.It Sy /bin/ 70utilities used in both single and multi-user environments 71.It Sy /boot* 72second-stage boot loader(s) for some platforms; see 73.Xr installboot 8 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 fd/ 85file descriptor files; 86see 87.Xr fd 4 88.It Sy drum 89system swap space; see 90.Xr drum 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 stderr 105.It Sy stdin 106.It Sy stdout 107file descriptor files; 108see 109.Xr fd 4 110.It Sy null 111the null device; see 112.Xr null 4 113.It Sy tty 114process' controlling terminal device; see 115.Xr tty 4 116.It Sy zero 117the zero device; see 118.Xr zero 4 119.El 120.It Sy /dump/ 121online 122.Xr dump 8 123repository 124.It Sy /etc/ 125system configuration files and scripts 126.Pp 127.Bl -tag -width "master.passwd" -compact 128.It Sy amd* 129configuration files for 130.Xr amd 8 131.It Sy changelist 132files backed up by the security script 133.It Sy crontab 134schedule used by the 135.Xr cron 8 136daemon 137.It Sy csh.cshrc 138.It Sy csh.login 139.It Sy csh.logout 140system-wide scripts for 141.Xr csh 1 142.It Sy daily 143script run each day by 144.Xr cron 8 145.It Sy daily.conf 146configuration file for 147.Sy daily ; 148see 149.Xr daily.conf 5 150.It Sy defaults/ 151default configuration files read by various 152.Pa /etc/*.conf 153files 154.It Sy disktab 155disk description file, see 156.Xr disktab 5 157.It Sy dm.conf 158dungeon master configuration; see 159.Xr dm.conf 5 160.It Sy dumpdates 161dump history; see 162.Xr dump 8 163.It Sy exports 164filesystem export information; see 165.Xr mountd 8 166.It Sy fstab 167filesystem information; see 168.Xr fstab 5 169and 170.Xr mount 8 171.It Sy ftpusers 172users denied 173.Xr ftp 1 174access; see 175.Xr ftpd 8 176.It Sy ftpwelcome 177.Xr ftp 1 178initial message; see 179.Xr ftpd 8 180.It Sy gettytab 181terminal configuration database; see 182.Xr gettytab 5 183.It Sy group 184group permissions file; see 185.Xr group 5 186.It Sy hosts 187host name database backup for 188.Xr named 8 ; 189see 190.Xr hosts 5 191.It Sy hosts.equiv 192trusted machines with equivalent user ID's 193.It Sy hosts.lpd 194trusted machines with printing privileges 195.It Sy inetd.conf 196Internet server configuration file; see 197.Xr inetd 8 198.It Sy kerberosIV/ 199configuration files for the kerberos version IV; 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 226.It Sy passwd 227.It Sy pwd.db 228.It Sy spwd.db 229password files and their databases; see 230.Xr pwd_mkdb 8 231.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 phones 263remote host phone number data base; see 264.Xr phones 5 265.It Sy printcap 266system printer configuration; see 267.Xr printcap 5 268.It Sy protocols 269protocol name database; see 270.Xr protocols 5 271.It Sy rc 272.It Sy rc.shutdown 273.It Sy rc.local 274.It Sy rc.d/ 275system startup and shutdown scripts; see 276.Xr rc 8 277and 278.Xr rc.d 8 279.It Sy rc.conf 280configuration file for system startup and shutdown scripts; see 281.Xr rc.conf 5 282.It Sy remote 283remote host description file; see 284.Xr remote 5 285.It Sy security 286daily (in)security script run by 287.Xr cron 8 288.It Sy security.conf 289configuration file for 290.Sy security ; 291see 292.Xr security.conf 5 293.It Sy services 294service name data base; see 295.Xr services 5 296.It Sy shells 297list of permitted shells; see 298.Xr shells 5 299.It Sy sliphome/ 300.Tn SLIP 301login/logout scripts; see 302.Xr sliplogin 8 303.It Sy syslog.conf 304.Xr syslogd 8 305configuration file; see 306.Xr syslog.conf 5 307.It Sy termcap 308terminal type database; see 309.Xr termcap 3 310.It Sy ttys 311terminal initialization information; see 312.Xr ttys 5 313.It Sy uucp/ 314UUCP configuration files; see 315.Xr uucp 1 316and 317.Xr uucico 8 . 318.It Sy weekly 319script run each week by 320.Xr cron 8 321.It Sy weekly.conf 322configuration file for 323.Sy weekly ; 324see 325.Xr weekly.conf 5 326.El 327.It Sy /home/ 328mount point for the automounter; see 329.Xr amd 8 330.It Sy /lib/ 331dynamic linked libraries used by dynamic linked programs 332(such as those in 333.Pa /bin/ 334and 335.Pa /sbin/ ) 336that cannot rely upon 337.Pa /usr/lib/ 338being available. 339.It Sy /libexec/ 340system utilities (such as the dynamic linker) required by programs 341and libraries that cannot rely upon 342.Pa /usr/libexec/ 343being available. 344.It Sy /mnt/ 345empty directory commonly used by 346system administrators as a temporary mount point 347.It Sy /netbsd 348pure kernel executable (the operating system loaded into memory 349at boot time). 350.It Sy /rescue/ 351statically linked rescue tools, for use in system recovery 352.It Sy /root/ 353home directory for the super-user 354.Pp 355.Bl -tag -width ".profile" -compact 356.It Sy \&.rhosts 357super-user id mapping between machines 358.It Sy \&.cshrc 359super-user start-up file 360.It Sy \&.login 361super-user start-up file 362.It Sy \&.profile 363super-user start-up file 364.El 365.ne 1i 366.It Sy /sbin/ 367system programs and administration utilities 368used in both single-user and multi-user environments 369.It Sy /stand/ 370programs used in a standalone environment 371.It Sy /tmp/ 372temporary files, usually a 373.Xr mfs 8 374memory-based filesystem (the contents of 375.Pa /tmp 376are usually 377.Em not 378preserved across a system reboot) 379.It Sy /usr/ 380contains the majority of the system utilities and files 381.Pp 382.Bl -tag -width "libdata/" -compact 383.It Sy X11R6/ 384X11 files 385.Pp 386.Bl -tag -width "include/" -compact 387.It Sy bin/ 388X11 binaries 389.It Sy include/ 390X11 include files 391.It Sy lib/ 392X11 libraries 393.El 394.Pp 395.It Sy bin/ 396common utilities, programming tools, and applications 397.It Sy games/ 398the important stuff 399.It Sy include/ 400standard C include files 401.Pp 402.Bl -tag -width "kerberosIV/" -compact 403.It Sy arpa/ 404include files for Internet service protocols 405.It Sy g++/ 406include files for the C++ compiler 407.It Sy kerberosIV/ 408include files for kerberos authentication package; 409see 410.Xr kerberos 8 411.It Sy machine/ 412machine specific include files 413.It Sy net/ 414.It Sy netatalk/ 415C include files for AppleTalk protocols 416miscellaneous network include files; 417see 418.Xr atalk 4 419.It Sy netccitt/ 420CCITT networking include files 421.It Sy netinet/ 422include files for Internet standard protocols; see 423.Xr inet 4 424.It Sy netinet6/ 425include files for Internet protocol version 6; see 426.Xr inet6 4 427.It Sy netiso/ 428include files for ISO standard protocols; see 429.Xr iso 4 430.It Sy netkey/ 431include files for secret key management, used for security protocols; see 432.Xr ipsec 4 433.It Sy natm/ 434C include files for native mode ATM 435.It Sy netns/ 436C include files for XNS standard protocols; see 437.Xr ns 4 438.It Sy nfs/ 439C include files for NFS (Network File System) 440.It Sy protocols/ 441C include files for Berkeley service protocols 442.It Sy sys/ 443system C include files (kernel data structures) 444.It Sy ufs/ 445C include files for UFS (The U-word File System) 446.El 447.Pp 448.It Sy lib/ 449archive, profiled, position independant archive, and shared libraries 450.It Sy libdata/ 451miscellaneous utility data files 452.It Sy libexec/ 453system daemons \*[Am] system utilities (executed by other programs) 454.Pp 455.Bl -tag -width "uucp/" -compact 456.It Sy uucp/ 457UUCP binaries and scripts (historically placed; to be moved) 458.El 459.Pp 460.It Sy mdec/ 461boot blocks, etc. 462.It Sy pkg/ 463packages maintained by groups other than the 464.Nx 465Project. 466.Pp 467.Bl -tag -width "include/" -compact 468.It Sy bin/ 469contributed binaries 470.It Sy sbin/ 471contributed system utilities 472.It Sy include/ 473contributed include files 474.It Sy libexec/ 475contributed daemons 476.It Sy libdata/ 477contributed data files 478.El 479.Pp 480.It Sy pkgsrc/ 481build descriptions ("packages") for the 482.Nx 483packages system. 484.Pp 485.Bl -tag -width "distfiles" -compact 486.It Sy distfiles 487Where unchanged source archives are fetched to/stored 488.It Sy packages 489Where compiled binary packages are stored 490.El 491.Pp 492There are also several other subdirectories which contain packages of 493a certain category, e.g. archivers, graphics, ... 494.Pp 495.It Sy obj/ 496architecture-specific target tree produced by building the 497.Pa /usr/src 498tree; normally a symbolic link or mounted filesystem 499.It Sy sbin/ 500system daemons and system utilities (normally executed by the super-user) 501.It Sy share/ 502architecture-independent text files 503.Pp 504.Bl -tag -width "calendar/" -compact 505.It Sy calendar/ 506a variety of calendar files; see 507.Xr calendar 1 508.It Sy dict/ 509word lists; 510see 511.Xr look 1 512and 513.Xr spell 1 514.Pp 515.Bl -tag -width "special/" -compact 516.It Sy words 517common words 518.It Sy web2 519words of Webster's 2nd International 520.It Sy papers/ 521reference databases; 522see 523.Xr refer 1 524.It Sy special/ 525custom word lists; 526see 527.Xr spell 1 528.El 529.Pp 530.It Sy doc/ 531miscellaneous documentation; source for most of the printed 532.Bx 4.3 533manuals (available 534from the 535.Tn USENIX 536association) 537.It Sy games/ 538text files used by various games 539.It Sy lkm/ 540documentation on the loadable kernel modules interface 541.It Sy man/ 542formatted manual pages 543.It Sy me/ 544macros for use with the 545.Xr me 7 546macro package 547.It Sy misc/ 548miscellaneous system-wide text files 549.Pp 550.Bl -tag -width "termcap" -compact 551.It Sy termcap 552terminal characteristics database; 553see 554.Xr termcap 5 555.El 556.Pp 557.It Sy mk/ 558include files for 559.Xr make 1 560.It Sy ms/ 561macros for use with the 562.Xr ms 7 563macro package 564.It Sy skel/ 565sample initialization files for new user accounts 566.It Sy tabset/ 567tab description files for a variety of terminals, used in 568the termcap file; 569see 570.Xr termcap 5 571.It Sy tmac/ 572text processing macros; 573see 574.Xr nroff 1 575and 576.Xr troff 1 577.It Sy zoneinfo/ 578timezone configuration information; 579see 580.Xr tzfile 5 581.El 582.Pp 583.El 584.Pp 585.It Sy /usr/src/ 586.Nx 587and local source files 588.Pp 589.Bl -tag -width "domestic/" -compact 590.It Sy bin/ 591source for utilities/files in 592.Pa /bin 593.It Sy distrib/ 594tools and data-files for making distributions 595.It Sy crypto/ 596cryptographic source, which may have import or export restrictions 597.It Sy dist/ 598third-party 599.Sq virgin 600source code, referenced by other parts of the source tree 601.It Sy etc/ 602source (usually example files) for files in 603.Pa /etc 604.It Sy games/ 605source for utilities/files in 606.Pa /usr/games 607.It Sy gnu/ 608source for programs covered by the 609.Tn GNU 610license (or similar) 611.It Sy include/ 612source for files in 613.Pa /usr/include 614.It Sy lib/ 615source for libraries in 616.Pa /usr/lib 617.It Sy libexec/ 618source for utilities/files in 619.Pa /usr/libexec 620.It Sy regress/ 621various regression tests 622.It Sy sbin/ 623source for utilities/files in 624.Pa /sbin 625.It Sy share/ 626source for files in 627.Pa /usr/share 628.Pp 629.Bl -tag -width "doc/" -compact 630.It Sy doc/ 631.Pp 632.Bl -tag -width "papers/" -compact 633.It Sy papers/ 634source for various Berkeley technical papers 635.It Sy psd/ 636source for Programmer's Supplementary Documents 637.It Sy smm/ 638source for System Manager's Manual 639.It Sy usd/ 640source for User's Supplementary Documents 641.Pp 642.El 643.El 644.It Sy sys/ 645kernel source files 646.Pp 647.Bl -tag -width "gdbscripts/" -compact 648.It Sy adosfs/ 649AmigaDOS file-system support; see 650.Xr mount_ados 8 651.It Sy arch/ 652architecture-specific support 653.Pp 654.Bl -tag -width "playstation2/" -compact 655.It Sy acorn26/ 656ARM2 and ARM3 based systems 657.It Sy acorn32/ 658Acorn RiscPC/A7000/NC and compatibles 659.It Sy algor/ 660Algorithmics MIPS evaluations board 661.It Sy alpha/ 662Digital Equipment Corp. Alpha architecture 663.It Sy amiga/ 664Amiga architecture 665.It Sy amigappc/ 666PowerPC based Amiga architecture 667.It Sy arc/ 668ARC specification compliant systems. 669.It Sy arm/ 670ARM processor general support 671.It Sy atari/ 672Atari architecture 673.It Sy bebox/ 674Be Inc. BeBox architecture 675.It Sy cats/ 676Chalice Technology StrongARM evaluation board 677.It Sy cesfic/ 678CES FIC8234 VME processor board 679.It Sy cobalt/ 680Cobalt Networks MIPS Microserver architecture 681.It Sy dreamcast/ 682Sega Dreamcast game console 683.It Sy evbarm/ 684ARM based evaluation boards 685.It Sy evbmips/ 686MIPS based evaluation boards 687.It Sy evbppc/ 688PowerPC based evaluation board 689.It Sy evbsh3/ 690SH3 based evaluation boards 691.It Sy hp300/ 692Hewlett-Packard 9000/300 680x0-based workstations 693.It Sy hparm/ 694StrongARM based WinCE hand-held devices 695.It Sy hpcmips/ 696MIPS based WinCE hand-held devices 697.It Sy hpcsh/ 698Hitachi SH3/4 based WinCE hand-held devices 699.It Sy i386/ 700Intel 386/486/Pentium/etc. workstations 701.It Sy luna68k/ 702Omron LUNA 68000-based workstations 703.It Sy m68k/ 704680x0 processor support 705.It Sy mac68k/ 706Apple Computer 680x0-based workstations 707.It Sy macppc/ 708Apple Computer PowerPC-based workstations 709.It Sy mips/ 710MIPS processor support 711.It Sy mipsco/ 712Mips Computer Systems Inc. architecture 713.It Sy mmeye/ 714Brains Inc. SH3 based mmEye multimedia server 715.It Sy mvme68k/ 716VME 680x0-based cards 717.It Sy news68k/ 718Sony NEWS 680x0-based workstations 719.It Sy newsmips/ 720Sony NEWS MIPS-based workstations 721.It Sy next68k/ 722NeXT 680x0-based workstations 723.It Sy ofppc/ 724Open Firmware PowerPC workstations 725.It Sy pc532/ 726pc532 architecture 727.It Sy playstation2/ 728SONY PlayStation 2 729.It Sy pmax/ 730MIPS-based DECstation architecture 731.It Sy pmppc/ 732Artesyn's PM/PPC board 733.It Sy powerpc/ 734PowerPC processor support 735.It Sy prep/ 736PowerPC Reference Platform 737.It Sy sandpoint/ 738Motorola Sandpoint reference platform 739.It Sy sbmips/ 740Broadcom/SiByte MIPS architecture 741.It Sy sgimips/ 742SGI MIPS architecture 743.It Sy sh3/ 744SH3 processor general support 745.It Sy shark/ 746StrongARM based Digital DNARD ("Shark") machines 747.It Sy sparc/ 748Sun Microsystems SPARC architecture 749.It Sy sparc64/ 750Sun Microsystems UltraSPARC architecture 751.It Sy sun2/ 752Sun Microsystems 68010-based Sun 2 architecture 753.It Sy sun3/ 754Sun Microsystems 68020/68030-based Sun 3/3x architecture 755.It Sy sun68k/ 756680x0-based Sun architecture general support 757.It Sy vax/ 758Digital Equipment Corp. VAX architecture 759.It Sy x68k/ 760Sharp X680x0 680x0-based workstations 761.It Sy x86_64/ 762AMD x86-64(tm) 64-bit CPU 763.El 764.Pp 765.It Sy compat/ 766kernel compatibility modules directory 767.Pp 768.Bl -tag -width "ossaudio/" -compact 769.It Sy common/ 770common compatibility routines, old 771.Bx 4 772and 773.Nx 774routines. 775.It Sy freebsd/ 776support for 777.Fx 778binaries; see 779.Xr compat_freebsd 8 780.It Sy hpux/ 781support for 68000 HP-UX binaries 782.It Sy ibcs2/ 783support for Intel Binary binaries 784.It Sy linux/ 785support for Linux binaries; see 786.Xr compat_linux 8 787.It Sy m68k4k/ 788support for 4Kb page 68000 binaries 789.It Sy netbsd32/ 790support for 791.Nx 79232-bit binaries on 64 bit platforms with compatible CPU families 793.It Sy osf1/ 794support for 795.Tn Digital 796.Ux 797.Po 798formerly 799.Tn OSF/1 800.Pc 801binaries 802.It Sy ossaudio/ 803support for OSS audio 804.It Sy pecoff/ 805support for 806.Tn Win32 807binaries; see 808.Xr compat_pecoff 8 809.It Sy sunos/ 810support for 811.Tn SunOS 4.x 812binaries; see 813.Xr compat_sunos 8 814.It Sy svr4/ 815support for System V Release 4 binaries; see 816.Xr compat_svr4 8 817.It Sy ultrix/ 818support for 819.Tn Ultrix 820binaries 821.It Sy vax1k/ 822support for older Vax binaries that started on a 1 KB boundary 823.El 824.Pp 825.It Sy conf/ 826architecture independent configuration directory 827.It Sy crypto/ 828cryptographic kernel source, which may have import or export restrictions 829.It Sy ddb/ 830in kernel debugger 831.It Sy dev/ 832architecture independent device support 833.It Sy filecorefs/ 834support for the Acorn RISC OS filecore filesystem; see 835.Xr mount_filecore 8 836.It Sy gdbscripts/ 837support for accessing kernel structures from within the debugger 838.Xr gdb 1 . 839.It Sy ipkdb/ 840support for kernel debugging over the network 841.It Sy isofs/ 842support for ISO filesystems 843.Pp 844.Bl -tag -width "cd9660/" -compact 845.It Sy cd9660/ 846support for the ISO-9660 filesystem; see 847.Xr mount_cd9660 8 848.El 849.Pp 850.It Sy kern/ 851support for the high kernel (system calls) 852.It Sy lib/ 853kernel libraries 854.Pp 855.Bl -tag -width "libkern/" -compact 856.It Sy libkern/ 857C library routines used in the kernel 858.It Sy libsa/ 859machine independant stand alone kernel library 860.It Sy libz/ 861compression library 862.El 863.Pp 864.It Sy lkm/ 865loadable kernel modules 866.Pp 867.Bl -tag -width "gdbscripts/" -compact 868.It Sy compat/ 869LKM support compatibility modules; currently unsupported. 870.It Sy netinet/ 871LKM support networking modules 872.Pp 873.Bl -tag -width "if_ipl/" -compact 874.It Sy if_ipl/ 875LKM for IP-Filter 876.El 877.Pp 878.It Sy vfs/ 879LKM support for file systems. 880.El 881.Pp 882.It Sy miscfs/ 883miscellaneous file systems 884.Pp 885.Bl -tag -width "deadfs/" -compact 886.It Sy deadfs/ 887kernel only dead file system 888.It Sy fdesc/ 889file descriptor file system; see 890.Xr mount_fdesc 8 891.It Sy fifofs/ 892POSIX FIFO support 893.It Sy genfs/ 894kernel only generic file system 895.It Sy kernfs/ 896kernel namespace file system; see 897.Xr mount_kernfs 8 898.It Sy nullfs/ 899loop back file system; see 900.Xr mount_null 8 901.It Sy overlay/ 902overlay file system; see 903.Xr mount_overlay 8 904.It Sy portal/ 905portal file system; see 906.Xr mount_portal 8 907.It Sy procfs/ 908process file system; see 909.Xr mount_procfs 8 910.It Sy specfs/ 911kernel only special file system 912.It Sy syncfs/ 913kernel trickle sync algorithm 914.It Sy umapfs/ 915user and group re-mapping file system; see 916.Xr mount_umap 8 917.It Sy union/ 918union file system; see 919.Xr mount_union 8 920.El 921.Pp 922.It Sy msdosfs/ 923.Tn MS-DOS 924file system; see 925.Xr mount_msdos 8 926.It Sy net/ 927miscellaneous networking support 928.It Sy netatalk/ 929AppleTalk networking support 930.It Sy netccitt/ 931CCITT networking support 932.It Sy netinet/ 933IP networking support 934.It Sy netinet6/ 935IPv6 networking support 936.It Sy netiso/ 937ISO networking support 938.It Sy netkey/ 939Key database for IPsec networking support 940.It Sy netnatm/ 941ATM networking support 942.It Sy netns/ 943XNS networking support 944.It Sy nfs/ 945NFS support 946.It Sy ntfs/ 947NTFS filesystem support 948.It Sy stand/ 949kernel standalone support 950.It Sy sys/ 951kernel (and system) include files 952.It Sy ufs/ 953local filesystem support 954.Pp 955.Bl -tag -width "ffs/" -compact 956.It Sy ffs/ 957the Berkeley Fast File System 958.It Sy lfs/ 959the log-structured file system 960.It Sy mfs/ 961the in-memory file system 962.It Sy ufs/ 963shared 964.Ux 965file system support 966.El 967.It Sy uvm/ 968UVM virtual memory system 969.El 970.It Sy usr.bin/ 971source for utilities/files in 972.Pa /usr/bin 973.It Sy usr.sbin/ 974source for utilities/files in 975.Pa /usr/sbin 976.El 977.It Sy /var/ 978multi-purpose log, temporary, transient, and spool files 979.Pp 980.Bl -tag -width "preserve/" -compact 981.It Sy account/ 982system accounting files 983.Pp 984.Bl -tag -width "acct" -compact 985.It Sy acct 986execution accounting file; 987see 988.Xr acct 5 989.El 990.Pp 991.It Sy at/ 992timed command scheduling files; 993see 994.Xr at 1 995.It Sy backups/ 996miscellaneous backup files, largely of files found in 997.Pa /etc 998.It Sy chroot/ 999home directories of applications which are run in a 1000.Xr chroot 8 1001.Dq cage . 1002.It Sy crash/ 1003system crash dumps; see 1004.Xr savecore 8 1005.It Sy cron/ 1006scheduled commands configuration files; see 1007.Xr cron 8 1008.It Sy db/ 1009miscellaneous automatically generated system-specific database files 1010.It Sy games/ 1011miscellaneous game status and log files 1012.It Sy heimdal/ 1013Kerberos 5 KDC database; see 1014.Xr kdc 8 1015.It Sy log/ 1016miscellaneous system log files 1017.Pp 1018.Bl -tag -width "monthly.out" -compact 1019.It Sy amd.* 1020.Xr amd 8 1021logs 1022.It Sy daily.out 1023output of the last run of the 1024.Pa /etc/daily 1025script 1026.It Sy ftp.* 1027.Xr ftp 1 1028logs 1029.It Sy kerberos.* 1030.Xr kerberos 8 1031logs 1032.It Sy lastlog 1033system last time logged in log; see 1034.Xr utmp 5 1035.It Sy lpd-errs.* 1036printer daemon error logs; see 1037.Xr lpd 8 1038.It Sy maillog.* 1039.Xr sendmail 8 1040log files 1041.It Sy messages.* 1042general system information log 1043.It Sy monthly.out 1044output of the last run of the 1045.Pa /etc/monthly 1046script 1047.It Sy secure 1048sensitive security information log 1049.It Sy sendmail.st 1050.Xr sendmail 8 1051statistics 1052.It Sy timed.* 1053.Xr timed 8 1054logs 1055.It Sy weekly.out 1056output of the last run of the 1057.Pa /etc/weekly 1058script 1059.It Sy wtmp 1060login/logout log; 1061see 1062.Xr utmp 5 1063.El 1064.Pp 1065.It Sy mail/ 1066user system mailboxes 1067.It Sy msgs/ 1068system messages; see 1069.Xr msgs 1 1070.\" since we use nvi (now called vi) this isn't the place any more, is it? 1071.It Sy pkg/ 1072working files for third party packages 1073.It Sy preserve/ 1074temporary home of files preserved after an accidental death of 1075.Xr ex 1 1076or 1077.Xr vi 1 1078.It Sy quotas/ 1079filesystem quota information 1080.It Sy run/ 1081system information files, rebuilt after each reboot 1082.Pp 1083.Bl -tag -width "utmp" -compact 1084.It Sy utmp 1085database of current users; see 1086.Xr utmp 5 1087.El 1088.Pp 1089.It Sy rwho/ 1090rwho data files; see 1091.Xr rwhod 8 , 1092.Xr rwho 1 , 1093and 1094.Xr ruptime 1 1095.It Sy spool/ 1096miscellaneous printer and mail system spooling directories 1097.Pp 1098.Bl -tag -width "uucppublic/" -compact 1099.It Sy ftp/ 1100commonly 1101.Dq ~ftp , 1102the anonymous ftp root directory; see 1103.Xr ftpd 8 1104.It Sy mqueue/ 1105undelivered mail queue; 1106see 1107.Xr sendmail 8 1108.It Sy news/ 1109Network news archival and spooling directories 1110.It Sy output/ 1111printer spooling directories 1112.It Sy uucp/ 1113uucp spool directory 1114.It Sy uucppublic/ 1115commonly 1116.Dq ~uucp , 1117the uucp public temporary directory; see 1118.Xr uucp 1 1119.El 1120.Pp 1121.It Sy tmp/ 1122temporary files that are not discarded between system reboots 1123.Pp 1124.Bl -tag -width "vi.recover/" -compact 1125.It Sy vi.recover/ 1126recovery directory for new 1127.Xr vi 1 1128.El 1129.Pp 1130.It Sy yp/ 1131Databases and configuration for the NIS (YP) system; see 1132.Xr nis 8 . 1133.El 1134.El 1135.Sh SEE ALSO 1136.Xr apropos 1 , 1137.Xr ls 1 , 1138.Xr whatis 1 , 1139.Xr whereis 1 , 1140.Xr which 1 1141.Sh HISTORY 1142A 1143.Nm 1144manual page appeared in 1145.At v7 . 1146