1.\" $NetBSD: hier.7,v 1.46 2002/09/26 13:21:52 grant 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 August 22, 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 and shared linker 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 /mnt/ 340empty directory commonly used by 341system administrators as a temporary mount point 342.It Sy /netbsd 343pure kernel executable (the operating system loaded into memory 344at boot time). 345.It Sy /rescue/ 346statically linked rescue tools, for use in system recovery 347.It Sy /root/ 348home directory for the super-user 349.Pp 350.Bl -tag -width ".profile" -compact 351.It Sy \&.rhosts 352super-user id mapping between machines 353.It Sy \&.cshrc 354super-user start-up file 355.It Sy \&.login 356super-user start-up file 357.It Sy \&.profile 358super-user start-up file 359.El 360.ne 1i 361.It Sy /sbin/ 362system programs and administration utilities 363used in both single-user and multi-user environments 364.It Sy /stand/ 365programs used in a standalone environment 366.It Sy /sys 367symbolic link to the operating system source 368.It Sy /tmp/ 369temporary files, usually a 370.Xr mfs 8 371memory-based filesystem (the contents of 372.Pa /tmp 373are usually 374.Em not 375preserved across a system reboot) 376.It Sy /usr/ 377contains the majority of the system utilities and files 378.Pp 379.Bl -tag -width "libdata/" -compact 380.It Sy X11R6/ 381X11 files 382.Pp 383.Bl -tag -width "include/" -compact 384.It Sy bin/ 385X11 binaries 386.It Sy include/ 387X11 include files 388.It Sy lib/ 389X11 libraries 390.El 391.Pp 392.It Sy bin/ 393common utilities, programming tools, and applications 394.It Sy games/ 395the important stuff 396.It Sy include/ 397standard C include files 398.Pp 399.Bl -tag -width "kerberosIV/" -compact 400.It Sy arpa/ 401include files for Internet service protocols 402.It Sy g++/ 403include files for the C++ compiler 404.It Sy kerberosIV/ 405include files for kerberos authentication package; 406see 407.Xr kerberos 8 408.It Sy machine/ 409machine specific include files 410.It Sy net/ 411.It Sy netatalk/ 412C include files for AppleTalk protocols 413miscellaneous network include files; 414see 415.Xr atalk 4 416.It Sy netccitt/ 417CCITT networking include files 418.It Sy netinet/ 419include files for Internet standard protocols; see 420.Xr inet 4 421.It Sy netinet6/ 422include files for Internet protocol version 6; see 423.Xr inet6 4 424.It Sy netiso/ 425include files for ISO standard protocols; see 426.Xr iso 4 427.It Sy netkey/ 428include files for secret key management, used for security protocols; see 429.Xr ipsec 4 430.It Sy natm/ 431C include files for native mode ATM 432.It Sy netns/ 433C include files for XNS standard protocols; see 434.Xr ns 4 435.It Sy nfs/ 436C include files for NFS (Network File System) 437.It Sy protocols/ 438C include files for Berkeley service protocols 439.It Sy sys/ 440system C include files (kernel data structures) 441.It Sy ufs/ 442C include files for UFS (The U-word File System) 443.El 444.Pp 445.It Sy lib/ 446archive, profiled, position independant archive, and shared libraries 447.It Sy libdata/ 448miscellaneous utility data files 449.It Sy libexec/ 450system daemons \*[Am] system utilities (executed by other programs) 451.Pp 452.Bl -tag -width "uucp/" -compact 453.It Sy uucp/ 454UUCP binaries and scripts (historically placed; to be moved) 455.El 456.Pp 457.It Sy local/ 458local executables, libraries, etc. 459.Pp 460.Bl -tag -width "include/" -compact 461.It Sy bin/ 462local binaries 463.It Sy include/ 464local include files 465.It Sy libexec/ 466local daemons 467.It Sy libdata/ 468local data files 469.El 470.Pp 471.It Sy mdec/ 472boot blocks, etc. 473.It Sy pkg/ 474packages maintained by groups other than the 475.Nx 476Project. 477.Pp 478.Bl -tag -width "include/" -compact 479.It Sy bin/ 480contributed binaries 481.It Sy sbin/ 482contributed system utilities 483.It Sy include/ 484contributed include files 485.It Sy libexec/ 486contributed daemons 487.It Sy libdata/ 488contributed data files 489.El 490.Pp 491.It Sy pkgsrc/ 492build descriptions ("packages") for the 493.Nx 494packages system. 495.Pp 496.Bl -tag -width "distfiles" -compact 497.It Sy distfiles 498Where unchanged source archives are fetched to/stored 499.It Sy packages 500Where compiled binary packages are stored 501.El 502.Pp 503There are also several other subdirectories which contain packages of 504a certain category, e.g. archivers, graphics, ... 505.Pp 506.It Sy obj/ 507architecture-specific target tree produced by building the 508.Pa /usr/src 509tree; normally a symbolic link or mounted filesystem 510.It Sy sbin/ 511system daemons and system utilities (normally executed by the super-user) 512.It Sy share/ 513architecture-independent text files 514.Pp 515.Bl -tag -width "calendar/" -compact 516.It Sy calendar/ 517a variety of calendar files; see 518.Xr calendar 1 519.It Sy dict/ 520word lists; 521see 522.Xr look 1 523and 524.Xr spell 1 525.Pp 526.Bl -tag -width "special/" -compact 527.It Sy words 528common words 529.It Sy web2 530words of Webster's 2nd International 531.It Sy papers/ 532reference databases; 533see 534.Xr refer 1 535.It Sy special/ 536custom word lists; 537see 538.Xr spell 1 539.El 540.Pp 541.It Sy doc/ 542miscellaneous documentation; source for most of the printed 543.Bx 4.3 544manuals (available 545from the 546.Tn USENIX 547association) 548.It Sy games/ 549text files used by various games 550.It Sy lkm/ 551documentation on the loadable kernel modules interface 552.It Sy man/ 553formatted manual pages 554.It Sy me/ 555macros for use with the 556.Xr me 7 557macro package 558.It Sy misc/ 559miscellaneous system-wide text files 560.Pp 561.Bl -tag -width "termcap" -compact 562.It Sy termcap 563terminal characteristics database; 564see 565.Xr termcap 5 566.El 567.Pp 568.It Sy mk/ 569include files for 570.Xr make 1 571.It Sy ms/ 572macros for use with the 573.Xr ms 7 574macro package 575.It Sy skel/ 576sample initialization files for new user accounts 577.It Sy tabset/ 578tab description files for a variety of terminals, used in 579the termcap file; 580see 581.Xr termcap 5 582.It Sy tmac/ 583text processing macros; 584see 585.Xr nroff 1 586and 587.Xr troff 1 588.It Sy zoneinfo/ 589timezone configuration information; 590see 591.Xr tzfile 5 592.El 593.Pp 594.El 595.Pp 596.It Sy /usr/src/ 597.Nx 598and local source files 599.Pp 600.Bl -tag -width "domestic/" -compact 601.It Sy bin/ 602source for utilities/files in 603.Pa /bin 604.It Sy distrib/ 605tools and data-files for making distributions 606.It Sy crypto/ 607cryptographic source, which may have import or export restrictions 608.It Sy dist/ 609third-party 610.Sq virgin 611source code, referenced by other parts of the source tree 612.It Sy etc/ 613source (usually example files) for files in 614.Pa /etc 615.It Sy games/ 616source for utilities/files in 617.Pa /usr/games 618.It Sy gnu/ 619source for programs covered by the 620.Tn GNU 621license (or similar) 622.It Sy include/ 623source for files in 624.Pa /usr/include 625.It Sy lib/ 626source for libraries in 627.Pa /usr/lib 628.It Sy libexec/ 629source for utilities/files in 630.Pa /usr/libexec 631.It Sy regress/ 632various regression tests 633.It Sy sbin/ 634source for utilities/files in 635.Pa /sbin 636.It Sy share/ 637source for files in 638.Pa /usr/share 639.Pp 640.Bl -tag -width "doc/" -compact 641.It Sy doc/ 642.Pp 643.Bl -tag -width "papers/" -compact 644.It Sy papers/ 645source for various Berkeley technical papers 646.It Sy psd/ 647source for Programmer's Supplementary Documents 648.It Sy smm/ 649source for System Manager's Manual 650.It Sy usd/ 651source for User's Supplementary Documents 652.Pp 653.El 654.El 655.It Sy sys/ 656kernel source files 657.Pp 658.Bl -tag -width "gdbscripts/" -compact 659.It Sy adosfs/ 660AmigaDOS file-system support; see 661.Xr mount_ados 8 662.It Sy arch/ 663architecture-specific support 664.Pp 665.Bl -tag -width "playstation2/" -compact 666.It Sy acorn26/ 667ARM2 and ARM3 based systems 668.It Sy acorn32/ 669Acorn RiscPC/A7000/NC and compatibles 670.It Sy algor/ 671Algorithmics MIPS evaluations board 672.It Sy alpha/ 673Digital Equipment Corp. Alpha architecture 674.It Sy amiga/ 675Amiga architecture 676.It Sy amigappc/ 677PowerPC based Amiga architecture 678.It Sy arc/ 679ARC specification compliant systems. 680.It Sy arm/ 681ARM processor general support 682.It Sy atari/ 683Atari architecture 684.It Sy bebox/ 685Be Inc. BeBox architecture 686.It Sy cats/ 687Chalice Technology StrongARM evaluation board 688.It Sy cesfic/ 689CES FIC8234 VME processor board 690.It Sy cobalt/ 691Cobalt Networks MIPS Microserver architecture 692.It Sy dreamcast/ 693Sega Dreamcast game console 694.It Sy evbarm/ 695ARM based evaluation boards 696.It Sy evbmips/ 697MIPS based evaluation boards 698.It Sy evbsh3/ 699SH3 based evaluation boards 700.It Sy hp300/ 701Hewlett-Packard 9000/300 680x0-based workstations 702.It Sy hparm/ 703StrongARM based WinCE hand-held devices 704.It Sy hpcmips/ 705MIPS based WinCE hand-held devices 706.It Sy hpcsh/ 707Hitachi SH3/4 based WinCE hand-held devices 708.It Sy i386/ 709Intel 386/486/Pentium/etc. workstations 710.It Sy luna68k/ 711Omron LUNA 68000-based workstations 712.It Sy m68k/ 713680x0 processor support 714.It Sy mac68k/ 715Apple Computer 680x0-based workstations 716.It Sy macppc/ 717Apple Computer PowerPC-based workstations 718.It Sy mips/ 719MIPS processor support 720.It Sy mipsco/ 721Mips Computer Systems Inc. architecture 722.It Sy mmeye/ 723Brains Inc. SH3 based mmEye multimedia server 724.It Sy mvme68k/ 725VME 680x0-based cards 726.It Sy news68k/ 727Sony NEWS 680x0-based workstations 728.It Sy newsmips/ 729Sony NEWS MIPS-based workstations 730.It Sy next68k/ 731NeXT 680x0-based workstations 732.It Sy ofppc/ 733Open Firmware PowerPC workstations 734.It Sy pc532/ 735pc532 architecture 736.It Sy playstation2/ 737SONY PlayStation 2 738.It Sy pmax/ 739MIPS-based DECstation architecture 740.It Sy pmppc/ 741Artesyn's PM/PPC board 742.It Sy powerpc/ 743PowerPC processor support 744.It Sy prep/ 745PowerPC Reference Platform 746.It Sy sandpoint/ 747Motorola Sandpoint reference platform 748.It Sy sbmips/ 749Broadcom/SiByte MIPS architecture 750.It Sy sgimips/ 751SGI MIPS architecture 752.It Sy sh3/ 753SH3 processor general support 754.It Sy shark/ 755StrongARM based Digital DNARD ("Shark") machines 756.It Sy sparc/ 757Sun Microsystems SPARC architecture 758.It Sy sparc64/ 759Sun Microsystems UltraSPARC architecture 760.It Sy sun2/ 761Sun Microsystems 68010-based Sun 2 architecture 762.It Sy sun3/ 763Sun Microsystems 68020/68030-based Sun 3/3x architecture 764.It Sy sun68k/ 765680x0-based Sun architecture general support 766.It Sy vax/ 767Digital Equipment Corp. VAX architecture 768.It Sy walnut/ 769IBM 405GP PowerPC "walnut" evaluation board 770.It Sy x68k/ 771Sharp X680x0 680x0-based workstations 772.It Sy x86_64/ 773AMD x86-64(tm) 64-bit CPU 774.El 775.Pp 776.It Sy compat/ 777kernel compatibility modules directory 778.Pp 779.Bl -tag -width "ossaudio/" -compact 780.It Sy common/ 781common compatibility routines, old 782.Bx 4 783and 784.Nx 785routines. 786.It Sy freebsd/ 787support for 788.Fx 789binaries; see 790.Xr compat_freebsd 8 791.It Sy hpux/ 792support for 68000 HP-UX binaries 793.It Sy ibcs2/ 794support for Intel Binary binaries 795.It Sy linux/ 796support for Linux binaries; see 797.Xr compat_linux 8 798.It Sy m68k4k/ 799support for 4Kb page 68000 binaries 800.It Sy netbsd32/ 801support for 802.Nx 80332-bit binaries on 64 bit platforms with compatible CPU families 804.It Sy osf1/ 805support for 806.Tn Digital 807.Ux 808.Po 809formerly 810.Tn OSF/1 811.Pc 812binaries 813.It Sy ossaudio/ 814support for OSS audio 815.It Sy pecoff/ 816support for 817.Tn Win32 818binaries; see 819.Xr compat_pecoff 8 820.It Sy sunos/ 821support for 822.Tn SunOS 4.x 823binaries; see 824.Xr compat_sunos 8 825.It Sy svr4/ 826support for System V Release 4 binaries; see 827.Xr compat_svr4 8 828.It Sy ultrix/ 829support for 830.Tn Ultrix 831binaries 832.It Sy vax1k/ 833support for older Vax binaries that started on a 1 KB boundary 834.El 835.Pp 836.It Sy conf/ 837architecture independent configuration directory 838.It Sy crypto/ 839cryptographic kernel source, which may have import or export restrictions 840.It Sy ddb/ 841in kernel debugger 842.It Sy dev/ 843architecture independent device support 844.It Sy filecorefs/ 845support for the Acorn RISC OS filecore filesystem; see 846.Xr mount_filecore 8 847.It Sy gdbscripts/ 848support for accessing kernel structures from within the debugger 849.Xr gdb 1 . 850.It Sy ipkdb/ 851support for kernel debugging over the network 852.It Sy isofs/ 853support for ISO filesystems 854.Pp 855.Bl -tag -width "cd9660/" -compact 856.It Sy cd9660/ 857support for the ISO-9660 filesystem; see 858.Xr mount_cd9660 8 859.El 860.Pp 861.It Sy kern/ 862support for the high kernel (system calls) 863.It Sy lib/ 864kernel libraries 865.Pp 866.Bl -tag -width "libkern/" -compact 867.It Sy libkern/ 868C library routines used in the kernel 869.It Sy libsa/ 870machine independant stand alone kernel library 871.It Sy libz/ 872compression library 873.El 874.Pp 875.It Sy lkm/ 876loadable kernel modules 877.Pp 878.Bl -tag -width "gdbscripts/" -compact 879.It Sy compat/ 880LKM support compatibility modules; currently unsupported. 881.It Sy netinet/ 882LKM support networking modules 883.Pp 884.Bl -tag -width "if_ipl/" -compact 885.It Sy if_ipl/ 886LKM for IP-Filter 887.El 888.Pp 889.It Sy vfs/ 890LKM support for file systems. 891.El 892.Pp 893.It Sy miscfs/ 894miscellaneous file systems 895.Pp 896.Bl -tag -width "deadfs/" -compact 897.It Sy deadfs/ 898kernel only dead file system 899.It Sy fdesc/ 900file descriptor file system; see 901.Xr mount_fdesc 8 902.It Sy fifofs/ 903POSIX FIFO support 904.It Sy genfs/ 905kernel only generic file system 906.It Sy kernfs/ 907kernel namespace file system; see 908.Xr mount_kernfs 8 909.It Sy nullfs/ 910loop back file system; see 911.Xr mount_null 8 912.It Sy overlay/ 913overlay file system; see 914.Xr mount_overlay 8 915.It Sy portal/ 916portal file system; see 917.Xr mount_portal 8 918.It Sy procfs/ 919process file system; see 920.Xr mount_procfs 8 921.It Sy specfs/ 922kernel only special file system 923.It Sy syncfs/ 924kernel trickle sync algorithm 925.It Sy umapfs/ 926user and group re-mapping file system; see 927.Xr mount_umap 8 928.It Sy union/ 929union file system; see 930.Xr mount_union 8 931.El 932.Pp 933.It Sy msdosfs/ 934.Tn MS-DOS 935file system; see 936.Xr mount_msdos 8 937.It Sy net/ 938miscellaneous networking support 939.It Sy netatalk/ 940AppleTalk networking support 941.It Sy netccitt/ 942CCITT networking support 943.It Sy netinet/ 944IP networking support 945.It Sy netinet6/ 946IPv6 networking support 947.It Sy netiso/ 948ISO networking support 949.It Sy netkey/ 950Key database for IPsec networking support 951.It Sy netnatm/ 952ATM networking support 953.It Sy netns/ 954XNS networking support 955.It Sy nfs/ 956NFS support 957.It Sy ntfs/ 958NTFS filesystem support 959.It Sy stand/ 960kernel standalone support 961.It Sy sys/ 962kernel (and system) include files 963.It Sy ufs/ 964local filesystem support 965.Pp 966.Bl -tag -width "ffs/" -compact 967.It Sy ffs/ 968the Berkeley Fast File System 969.It Sy lfs/ 970the log-structured file system 971.It Sy mfs/ 972the in-memory file system 973.It Sy ufs/ 974shared 975.Ux 976file system support 977.El 978.It Sy uvm/ 979UVM virtual memory system 980.El 981.It Sy usr.bin/ 982source for utilities/files in 983.Pa /usr/bin 984.It Sy usr.sbin/ 985source for utilities/files in 986.Pa /usr/sbin 987.El 988.It Sy /var/ 989multi-purpose log, temporary, transient, and spool files 990.Pp 991.Bl -tag -width "preserve/" -compact 992.It Sy account/ 993system accounting files 994.Pp 995.Bl -tag -width "acct" -compact 996.It Sy acct 997execution accounting file; 998see 999.Xr acct 5 1000.El 1001.Pp 1002.It Sy at/ 1003timed command scheduling files; 1004see 1005.Xr at 1 1006.It Sy backups/ 1007miscellaneous backup files, largely of files found in 1008.Pa /etc 1009.It Sy chroot/ 1010home directories of applications which are run in a 1011.Xr chroot 8 1012.Dq cage . 1013.It Sy crash/ 1014system crash dumps; see 1015.Xr savecore 8 1016.It Sy cron/ 1017scheduled commands configuration files; see 1018.Xr cron 8 1019.It Sy db/ 1020miscellaneous automatically generated system-specific database files 1021.It Sy games/ 1022miscellaneous game status and log files 1023.It Sy heimdal/ 1024Kerberos 5 KDC database; see 1025.Xr kdc 8 1026.It Sy log/ 1027miscellaneous system log files 1028.Pp 1029.Bl -tag -width "monthly.out" -compact 1030.It Sy amd.* 1031.Xr amd 8 1032logs 1033.It Sy daily.out 1034output of the last run of the 1035.Pa /etc/daily 1036script 1037.It Sy ftp.* 1038.Xr ftp 1 1039logs 1040.It Sy kerberos.* 1041.Xr kerberos 8 1042logs 1043.It Sy lastlog 1044system last time logged in log; see 1045.Xr utmp 5 1046.It Sy lpd-errs.* 1047printer daemon error logs; see 1048.Xr lpd 8 1049.It Sy maillog.* 1050.Xr sendmail 8 1051log files 1052.It Sy messages.* 1053general system information log 1054.It Sy monthly.out 1055output of the last run of the 1056.Pa /etc/monthly 1057script 1058.It Sy secure 1059sensitive security information log 1060.It Sy sendmail.st 1061.Xr sendmail 8 1062statistics 1063.It Sy timed.* 1064.Xr timed 8 1065logs 1066.It Sy weekly.out 1067output of the last run of the 1068.Pa /etc/weekly 1069script 1070.It Sy wtmp 1071login/logout log; 1072see 1073.Xr utmp 5 1074.El 1075.Pp 1076.It Sy mail/ 1077user system mailboxes 1078.It Sy msgs/ 1079system messages; see 1080.Xr msgs 1 1081.\" since we use nvi (now called vi) this isn't the place any more, is it? 1082.It Sy pkg/ 1083working files for third party packages 1084.It Sy preserve/ 1085temporary home of files preserved after an accidental death of 1086.Xr ex 1 1087or 1088.Xr vi 1 1089.It Sy quotas/ 1090filesystem quota information 1091.It Sy run/ 1092system information files, rebuilt after each reboot 1093.Pp 1094.Bl -tag -width "utmp" -compact 1095.It Sy utmp 1096database of current users; see 1097.Xr utmp 5 1098.El 1099.Pp 1100.It Sy rwho/ 1101rwho data files; see 1102.Xr rwhod 8 , 1103.Xr rwho 1 , 1104and 1105.Xr ruptime 1 1106.It Sy spool/ 1107miscellaneous printer and mail system spooling directories 1108.Pp 1109.Bl -tag -width "uucppublic/" -compact 1110.It Sy ftp/ 1111commonly 1112.Dq ~ftp , 1113the anonymous ftp root directory; see 1114.Xr ftpd 8 1115.It Sy mqueue/ 1116undelivered mail queue; 1117see 1118.Xr sendmail 8 1119.It Sy news/ 1120Network news archival and spooling directories 1121.It Sy output/ 1122printer spooling directories 1123.It Sy uucp/ 1124uucp spool directory 1125.It Sy uucppublic/ 1126commonly 1127.Dq ~uucp , 1128the uucp public temporary directory; see 1129.Xr uucp 1 1130.El 1131.Pp 1132.It Sy tmp/ 1133temporary files that are not discarded between system reboots 1134.Pp 1135.Bl -tag -width "vi.recover/" -compact 1136.It Sy vi.recover/ 1137recovery directory for new 1138.Xr vi 1 1139.El 1140.Pp 1141.It Sy yp/ 1142Databases and configuration for the NIS (YP) system; see 1143.Xr nis 8 . 1144.El 1145.El 1146.Sh SEE ALSO 1147.Xr apropos 1 , 1148.Xr ls 1 , 1149.Xr whatis 1 , 1150.Xr whereis 1 , 1151.Xr which 1 1152.Sh HISTORY 1153A 1154.Nm 1155manual page appeared in 1156.At v7 . 1157