1.\" $NetBSD: hier.7,v 1.57 2003/04/01 16:45:25 perry 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 April 1, 2003 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 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 stderr 108.It Sy stdin 109.It Sy stdout 110file descriptor files; 111see 112.Xr fd 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 kerberosV/ 203configuration files for the kerberos version V; 204see 205.Xr kerberos 8 206.It Sy localtime 207local timezone information; 208see 209.Xr ctime 3 210.It Sy mail/ 211configuration files for 212.Xr sendmail 8 213.Pp 214.Bl -tag -width "sendmail.*" -compact 215.It Sy aliases* 216name alias files 217.It Sy sendmail.* 218.Xr sendmail 8 219configuration information 220.El 221.It Sy mail.rc 222system-wide initialization script for 223.Xr mail 1 224.It Sy man.conf 225configuration file for 226.Xr man 1 ; 227see 228.Xr man.conf 5 229.It Sy master.passwd 230Main password file, readable only by root; see 231.Xr passwd 5 232.It Sy mk.conf 233optional file containing 234.Xr make 1 235variables, read by pkgsrc and the system sources. 236.It Sy monthly 237script run each month by 238.Xr cron 8 239.It Sy monthly.conf 240configuration file for 241.Sy monthly ; 242see 243.Xr monthly.conf 5 244.It Sy motd 245system message of the day 246.It Sy mtree/ 247mtree configuration files; 248see 249.Xr mtree 8 250.It Sy named.* 251.It Sy namedb/ 252named configuration files and databases; 253see 254.Xr named 8 255.It Sy netgroup 256network groups; see 257.Xr netgroup 5 258.It Sy netstart 259network startup script 260.It Sy networks 261network name data base; see 262.Xr networks 5 263.It Sy passwd 264World readable password file generated from master.passwd; see 265.Xr passwd 5 , 266.Xr pwd_mkdb 8 267.It Sy phones 268remote host phone number data base; see 269.Xr phones 5 270.It Sy printcap 271system printer configuration; see 272.Xr printcap 5 273.It Sy protocols 274protocol name database; see 275.Xr protocols 5 276.It Sy pwd.db 277database form of passwd file; see 278.Xr pwd_mkdb 8 279.It Sy rc 280master system startup script invoked by 281.Xr init 8 ; 282see 283.Xr rc 8 284.It Sy rc.conf 285configuration file for system startup and shutdown scripts; see 286.Xr rc.conf 5 287.It Sy rc.d/ 288directory containing per-subsystem startup and shutdown scripts; see 289.Xr rc 8 290.It Sy rc.local 291locally editable system startup script 292.It Sy rc.shutdown 293master system shutdown script invoked by 294.Xr shutdown 8 ; 295see 296.Xr rc 8 297.It Sy remote 298remote host description file; see 299.Xr remote 5 300.It Sy security 301daily (in)security script run by 302.Xr cron 8 303.It Sy security.conf 304configuration file for 305.Sy security ; 306see 307.Xr security.conf 5 308.It Sy services 309service name data base; see 310.Xr services 5 311.It Sy shells 312list of permitted shells; see 313.Xr shells 5 314.It Sy sliphome/ 315.Tn SLIP 316login/logout scripts; see 317.Xr sliplogin 8 318.It Sy spwd.db 319database form of master.passwd file; see 320.Xr pwd_mkdb 8 321.It Sy syslog.conf 322.Xr syslogd 8 323configuration file; see 324.Xr syslog.conf 5 325.It Sy termcap 326terminal type database; see 327.Xr termcap 3 328.It Sy ttys 329terminal initialization information; see 330.Xr ttys 5 331.It Sy uucp/ 332UUCP configuration files; see 333.Xr uucp 1 334and 335.Xr uucico 8 . 336.It Sy weekly 337script run each week by 338.Xr cron 8 339.It Sy weekly.conf 340configuration file for 341.Sy weekly ; 342see 343.Xr weekly.conf 5 344.El 345.It Sy /home/ 346mount point for the automounter; see 347.Xr amd 8 348.It Sy /lib/ 349dynamic linked libraries used by dynamic linked programs 350(such as those in 351.Pa /bin/ 352and 353.Pa /sbin/ ) 354that cannot rely upon 355.Pa /usr/lib/ 356being available. 357.It Sy /libexec/ 358system utilities (such as the dynamic linker) required by programs 359and libraries that cannot rely upon 360.Pa /usr/libexec/ 361being available. 362.It Sy /mnt/ 363empty directory commonly used by 364system administrators as a temporary mount point 365.It Sy /netbsd 366pure kernel executable (the operating system loaded into memory 367at boot time). 368.It Sy /rescue/ 369statically linked rescue tools, for use in system recovery 370.It Sy /root/ 371home directory for the super-user 372.Pp 373.Bl -tag -width ".profile" -compact 374.It Sy \&.cshrc 375super-user start-up file 376.It Sy \&.login 377super-user start-up file 378.It Sy \&.profile 379super-user start-up file 380.It Sy \&.rhosts 381super-user id mapping between machines 382.El 383.ne 1i 384.It Sy /sbin/ 385system programs and administration utilities 386used in both single-user and multi-user environments 387.It Sy /stand/ 388programs used in a standalone environment 389.It Sy /tmp/ 390temporary files, usually a 391.Xr mfs 8 392memory-based filesystem (the contents of 393.Pa /tmp 394are usually 395.Em not 396preserved across a system reboot) 397.It Sy /usr/ 398contains the majority of the system utilities and files 399.Pp 400.Bl -tag -width "libdata/" -compact 401.It Sy X11R6/ 402X11 files 403.Pp 404.Bl -tag -width "include/" -compact 405.It Sy bin/ 406X11 binaries 407.It Sy include/ 408X11 include files 409.It Sy lib/ 410X11 libraries 411.El 412.Pp 413.It Sy bin/ 414common utilities, programming tools, and applications 415.It Sy games/ 416the important stuff 417.It Sy include/ 418standard C include files 419.Pp 420.Bl -tag -width "kerberosIV/" -compact 421.It Sy arpa/ 422include files for Internet service protocols 423.It Sy g++/ 424include files for the C++ compiler 425.It Sy kerberosIV/ 426include files for kerberos authentication package; 427see 428.Xr kerberos 8 429.It Sy machine/ 430machine specific include files 431.It Sy net/ 432.It Sy netatalk/ 433C include files for AppleTalk protocols 434miscellaneous network include files; 435see 436.Xr atalk 4 437.It Sy netccitt/ 438CCITT networking include files 439.It Sy netinet/ 440include files for Internet standard protocols; see 441.Xr inet 4 442.It Sy netinet6/ 443include files for Internet protocol version 6; see 444.Xr inet6 4 445.It Sy netiso/ 446include files for ISO standard protocols; see 447.Xr iso 4 448.It Sy netkey/ 449include files for secret key management, used for security protocols; see 450.Xr ipsec 4 451.It Sy netnatm/ 452C include files for native mode ATM 453.It Sy netns/ 454C include files for XNS standard protocols; see 455.Xr ns 4 456.It Sy nfs/ 457C include files for NFS (Network File System) 458.It Sy protocols/ 459C include files for Berkeley service protocols 460.It Sy sys/ 461system C include files (kernel data structures) 462.It Sy ufs/ 463C include files for UFS (The U-word File System) 464.El 465.Pp 466.It Sy lib/ 467archive, profiled, position independent archive, and shared libraries 468.It Sy libdata/ 469miscellaneous utility data files 470.It Sy libexec/ 471system daemons \*[Am] system utilities (executed by other programs) 472.Pp 473.Bl -tag -width "uucp/" -compact 474.It Sy uucp/ 475UUCP binaries and scripts (historically placed; to be moved) 476.El 477.Pp 478.It Sy lkm/ 479loadable kernel modules 480.It Sy mdec/ 481boot blocks, etc. 482.It Sy obj/ 483architecture-specific target tree produced by building the 484.Pa /usr/src 485tree; normally a symbolic link or mounted filesystem 486.It Sy pkg/ 487packages maintained by groups other than the 488.Nx 489Project. 490.Pp 491.Bl -tag -width "include/" -compact 492.It Sy bin/ 493contributed binaries 494.It Sy include/ 495contributed include files 496.It Sy lib/ 497contributed libraries 498.It Sy libdata/ 499contributed data files 500.It Sy libexec/ 501contributed daemons 502.It Sy sbin/ 503contributed system utilities 504.El 505.Pp 506.It Sy pkgsrc/ 507build descriptions ("packages") for the 508.Nx 509packages system. 510.Pp 511.Bl -tag -width "distfiles" -compact 512.It Sy distfiles 513Where unchanged source archives are fetched to/stored 514.It Sy packages 515Where compiled binary packages are stored 516.El 517.Pp 518There are also several other subdirectories which contain packages of 519a certain category, e.g. archivers, graphics, ... 520.Pp 521.It Sy sbin/ 522system daemons and system utilities (normally executed by the super-user) 523.It Sy share/ 524architecture-independent text files 525.Pp 526.Bl -tag -width "calendar/" -compact 527.It Sy calendar/ 528a variety of calendar files; see 529.Xr calendar 1 530.It Sy dict/ 531word lists; 532see 533.Xr look 1 534and 535.Xr spell 1 536.Pp 537.Bl -tag -width "special/" -compact 538.It Sy words 539common words 540.It Sy web2 541words of Webster's 2nd International 542.It Sy papers/ 543reference databases; 544see 545.Xr refer 1 546.It Sy special/ 547custom word lists; 548see 549.Xr spell 1 550.El 551.Pp 552.It Sy doc/ 553miscellaneous documentation; source for most of the printed 554.Bx 4.3 555manuals (available 556from the 557.Tn USENIX 558association) 559.It Sy games/ 560text files used by various games 561.It Sy lkm/ 562documentation on the loadable kernel modules interface 563.It Sy man/ 564formatted manual pages 565.It Sy me/ 566macros for use with the 567.Xr me 7 568macro package 569.It Sy misc/ 570miscellaneous system-wide text files 571.Pp 572.Bl -tag -width "termcap" -compact 573.It Sy termcap 574terminal characteristics database; 575see 576.Xr termcap 5 577.El 578.Pp 579.It Sy mk/ 580include files for 581.Xr make 1 582.It Sy ms/ 583macros for use with the 584.Xr ms 7 585macro package 586.It Sy skel/ 587sample initialization files for new user accounts 588.It Sy tabset/ 589tab description files for a variety of terminals, used in 590the termcap file; 591see 592.Xr termcap 5 593.It Sy tmac/ 594text processing macros; 595see 596.Xr nroff 1 597and 598.Xr troff 1 599.It Sy zoneinfo/ 600timezone configuration information; 601see 602.Xr tzfile 5 603.El 604.Pp 605.El 606.Pp 607.It Sy /usr/src/ 608.Nx 609and local source files 610.Pp 611.Bl -tag -width "domestic/" -compact 612.It Sy bin/ 613source for utilities/files in 614.Pa /bin 615.It Sy crypto/ 616cryptographic source, which may have import or export restrictions 617.It Sy dist/ 618third-party 619.Sq virgin 620source code, referenced by other parts of the source tree 621.It Sy distrib/ 622tools and data-files for making distributions 623.It Sy doc/ 624documentation about the source tree (i.e. about the tree, not about 625how to use the built software.) 626.It Sy etc/ 627source (usually example files) for files in 628.Pa /etc 629.It Sy games/ 630source for utilities/files in 631.Pa /usr/games 632.It Sy gnu/ 633source for programs covered by the 634.Tn GNU 635license (or similar) 636.It Sy include/ 637source for files in 638.Pa /usr/include 639.It Sy lib/ 640source for libraries in 641.Pa /usr/lib 642.It Sy libexec/ 643source for utilities/files in 644.Pa /usr/libexec 645.It Sy regress/ 646various regression tests 647.It Sy rescue/ 648source/makefiles for /rescue 649.It Sy sbin/ 650source for utilities/files in 651.Pa /sbin 652.It Sy share/ 653source for files in 654.Pa /usr/share 655.Pp 656.Bl -tag -width "doc/" -compact 657.It Sy doc/ 658.Pp 659.Bl -tag -width "papers/" -compact 660.It Sy papers/ 661source for various Berkeley technical papers 662.It Sy psd/ 663source for Programmer's Supplementary Documents 664.It Sy smm/ 665source for System Manager's Manual 666.It Sy usd/ 667source for User's Supplementary Documents 668.Pp 669.El 670.El 671.It Sy sys/ 672kernel source files 673.Pp 674.Bl -tag -width "gdbscripts/" -compact 675.It Sy arch/ 676architecture-specific support 677.Pp 678.Bl -tag -width "playstation2/" -compact 679.It Sy acorn26/ 680ARM2 and ARM3 based systems 681.It Sy acorn32/ 682Acorn RiscPC/A7000/NC and compatibles 683.It Sy algor/ 684Algorithmics MIPS evaluations board 685.It Sy alpha/ 686Digital Equipment Corp. Alpha architecture 687.It Sy amiga/ 688Amiga architecture 689.It Sy amigappc/ 690PowerPC based Amiga architecture 691.It Sy arc/ 692ARC specification compliant systems. 693.It Sy arm/ 694ARM processor general support 695.It Sy atari/ 696Atari architecture 697.It Sy bebox/ 698Be Inc. BeBox architecture 699.It Sy cats/ 700Chalice Technology StrongARM evaluation board 701.It Sy cesfic/ 702CES FIC8234 VME processor board 703.It Sy cobalt/ 704Cobalt Networks MIPS Microserver architecture 705.It Sy dreamcast/ 706Sega Dreamcast game console 707.It Sy evbarm/ 708ARM based evaluation boards 709.It Sy evbmips/ 710MIPS based evaluation boards 711.It Sy evbppc/ 712PowerPC based evaluation board 713.It Sy evbsh3/ 714SH3 based evaluation boards 715.It Sy hp300/ 716Hewlett-Packard 9000/300 680x0-based workstations 717.It Sy hparm/ 718StrongARM based WinCE hand-held devices 719.It Sy hpcmips/ 720MIPS based WinCE hand-held devices 721.It Sy hpcsh/ 722Hitachi SH3/4 based WinCE hand-held devices 723.It Sy i386/ 724Intel 386/486/Pentium/etc. workstations 725.It Sy luna68k/ 726Omron LUNA 68000-based workstations 727.It Sy m68k/ 728680x0 processor support 729.It Sy mac68k/ 730Apple Computer 680x0-based workstations 731.It Sy macppc/ 732Apple Computer PowerPC-based workstations 733.It Sy mips/ 734MIPS processor support 735.It Sy mipsco/ 736MIPS Computer Systems Inc. architecture 737.It Sy mmeye/ 738Brains Inc. SH3 based mmEye multimedia server 739.It Sy mvme68k/ 740VME 680x0-based cards 741.It Sy news68k/ 742Sony NEWS 680x0-based workstations 743.It Sy newsmips/ 744Sony NEWS MIPS-based workstations 745.It Sy next68k/ 746NeXT 680x0-based workstations 747.It Sy ofppc/ 748Open Firmware PowerPC workstations 749.It Sy pc532/ 750pc532 architecture 751.It Sy playstation2/ 752SONY PlayStation 2 753.It Sy pmax/ 754MIPS-based DECstation architecture 755.It Sy pmppc/ 756Artesyn's PM/PPC board 757.It Sy powerpc/ 758PowerPC processor support 759.It Sy prep/ 760PowerPC Reference Platform 761.It Sy sandpoint/ 762Motorola Sandpoint reference platform 763.It Sy sbmips/ 764Broadcom/SiByte MIPS architecture 765.It Sy sgimips/ 766SGI MIPS architecture 767.It Sy sh3/ 768SH3 processor general support 769.It Sy shark/ 770StrongARM based Digital DNARD ("Shark") machines 771.It Sy sparc/ 772Sun Microsystems SPARC architecture 773.It Sy sparc64/ 774Sun Microsystems UltraSPARC architecture 775.It Sy sun2/ 776Sun Microsystems 68010-based Sun 2 architecture 777.It Sy sun3/ 778Sun Microsystems 68020/68030-based Sun 3/3x architecture 779.It Sy sun68k/ 780680x0-based Sun architecture general support 781.It Sy vax/ 782Digital Equipment Corp. VAX architecture 783.It Sy x68k/ 784Sharp X680x0 680x0-based workstations 785.It Sy x86_64/ 786AMD x86-64(tm) 64-bit CPU 787.El 788.Pp 789.It Sy compat/ 790kernel compatibility modules directory 791.Pp 792.Bl -tag -width "ossaudio/" -compact 793.It Sy common/ 794common compatibility routines, old 795.Bx 4 796and 797.Nx 798routines. 799.It Sy freebsd/ 800support for 801.Fx 802binaries; see 803.Xr compat_freebsd 8 804.It Sy hpux/ 805support for 68000 HP-UX binaries 806.It Sy ibcs2/ 807support for Intel Binary binaries 808.It Sy linux/ 809support for Linux binaries; see 810.Xr compat_linux 8 811.It Sy m68k4k/ 812support for 4KB page 68000 binaries 813.It Sy netbsd32/ 814support for 815.Nx 81632-bit binaries on 64 bit platforms with compatible CPU families 817.It Sy osf1/ 818support for 819.Tn Digital 820.Ux 821.Po 822formerly 823.Tn OSF/1 824.Pc 825binaries 826.It Sy ossaudio/ 827support for OSS audio 828.It Sy pecoff/ 829support for 830.Tn Win32 831binaries; see 832.Xr compat_pecoff 8 833.It Sy sunos/ 834support for 835.Tn SunOS 4.x 836binaries; see 837.Xr compat_sunos 8 838.It Sy svr4/ 839support for System V Release 4 binaries; see 840.Xr compat_svr4 8 841.It Sy ultrix/ 842support for 843.Tn ULTRIX 844binaries 845.It Sy vax1k/ 846support for older VAX binaries that started on a 1 KB boundary 847.El 848.Pp 849.It Sy conf/ 850architecture independent configuration directory 851.It Sy crypto/ 852cryptographic kernel source, which may have import or export restrictions 853.It Sy ddb/ 854in kernel debugger 855.It Sy dev/ 856architecture independent device support 857.It Sy fs/ 858miscellaneous file systems 859.Bl -tag -width "filecorefs/" -compact 860.It Sy adosfs/ 861AmigaDOS file-system support; see 862.Xr mount_ados 8 863.It Sy cd9660/ 864support for the ISO-9660 filesystem; see 865.Xr mount_cd9660 8 866.It Sy filecorefs/ 867support for the Acorn RISC OS filecore filesystem; see 868.Xr mount_filecore 8 869.It Sy msdosfs/ 870.Tn MS-DOS 871file system; see 872.Xr mount_msdos 8 873.It Sy ntfs/ 874NTFS filesystem support; see 875.Xr mount_ntfs 8 876.It Sy smbfs 877SMB/CIFS filesystem support; see 878.Xr mount_smbfs 8 879.It Sy union/ 880union file system; see 881.Xr mount_union 8 882.El 883.It Sy gdbscripts/ 884support for accessing kernel structures from within the debugger 885.Xr gdb 1 . 886.It Sy ipkdb/ 887support for kernel debugging over the network 888.Pp 889.It Sy kern/ 890support for the high kernel (system calls) 891.It Sy lib/ 892kernel libraries 893.Pp 894.Bl -tag -width "libkern/" -compact 895.It Sy libkern/ 896C library routines used in the kernel 897.It Sy libsa/ 898machine independent stand alone kernel library 899.It Sy libz/ 900compression library 901.El 902.Pp 903.It Sy lkm/ 904loadable kernel modules 905.Pp 906.Bl -tag -width "gdbscripts/" -compact 907.It Sy compat/ 908LKM support compatibility modules; currently unsupported. 909.It Sy netinet/ 910LKM support networking modules 911.Pp 912.Bl -tag -width "if_ipl/" -compact 913.It Sy if_ipl/ 914LKM for IP-Filter 915.El 916.Pp 917.It Sy vfs/ 918LKM support for file systems. 919.El 920.Pp 921.It Sy miscfs/ 922miscellaneous file systems 923.Pp 924.Bl -tag -width "deadfs/" -compact 925.It Sy deadfs/ 926kernel only dead file system 927.It Sy fdesc/ 928file descriptor file system; see 929.Xr mount_fdesc 8 930.It Sy fifofs/ 931POSIX FIFO support 932.It Sy genfs/ 933kernel only generic file system 934.It Sy kernfs/ 935kernel namespace file system; see 936.Xr mount_kernfs 8 937.It Sy nullfs/ 938loop back file system; see 939.Xr mount_null 8 940.It Sy overlay/ 941overlay file system; see 942.Xr mount_overlay 8 943.It Sy portal/ 944portal file system; see 945.Xr mount_portal 8 946.It Sy procfs/ 947process file system; see 948.Xr mount_procfs 8 949.It Sy specfs/ 950kernel only special file system 951.It Sy syncfs/ 952kernel trickle sync algorithm 953.It Sy umapfs/ 954user and group re-mapping file system; see 955.Xr mount_umap 8 956.El 957.Pp 958.It Sy net/ 959miscellaneous networking support 960.It Sy netatalk/ 961AppleTalk networking support 962.It Sy netccitt/ 963CCITT networking support 964.It Sy netinet/ 965IP networking support 966.It Sy netinet6/ 967IPv6 networking support 968.It Sy netiso/ 969ISO networking support 970.It Sy netkey/ 971Key database for IPsec networking support 972.It Sy netnatm/ 973ATM networking support 974.It Sy netns/ 975XNS networking support 976.It Sy nfs/ 977NFS support 978.It Sy stand/ 979kernel standalone support 980.It Sy sys/ 981kernel (and system) include files 982.It Sy ufs/ 983local filesystem support 984.Pp 985.Bl -tag -width "ffs/" -compact 986.It Sy ffs/ 987the Berkeley Fast File System 988.It Sy lfs/ 989the log-structured file system 990.It Sy mfs/ 991the in-memory file system 992.It Sy ufs/ 993shared 994.Ux 995file system support 996.El 997.It Sy uvm/ 998UVM virtual memory system 999.El 1000.It Sy usr.bin/ 1001source for utilities/files in 1002.Pa /usr/bin 1003.It Sy usr.sbin/ 1004source for utilities/files in 1005.Pa /usr/sbin 1006.El 1007.It Sy /var/ 1008multi-purpose log, temporary, transient, and spool files 1009.Pp 1010.Bl -tag -width "preserve/" -compact 1011.It Sy account/ 1012system accounting files 1013.Pp 1014.Bl -tag -width "acct" -compact 1015.It Sy acct 1016execution accounting file; 1017see 1018.Xr acct 5 1019.El 1020.Pp 1021.It Sy at/ 1022timed command scheduling files; 1023see 1024.Xr at 1 1025.It Sy backups/ 1026miscellaneous backup files, largely of files found in 1027.Pa /etc 1028.It Sy chroot/ 1029home directories of applications which are run in a 1030.Xr chroot 8 1031.Dq cage . 1032.It Sy crash/ 1033system crash dumps; see 1034.Xr savecore 8 1035.It Sy cron/ 1036scheduled commands configuration files; see 1037.Xr cron 8 1038.It Sy db/ 1039miscellaneous automatically generated system-specific database files 1040.It Sy games/ 1041miscellaneous game status and log files 1042.It Sy heimdal/ 1043Kerberos 5 KDC database; see 1044.Xr kdc 8 1045.It Sy log/ 1046miscellaneous system log files 1047.Pp 1048.Bl -tag -width "monthly.out" -compact 1049.It Sy amd.* 1050.Xr amd 8 1051logs 1052.It Sy daily.out 1053output of the last run of the 1054.Pa /etc/daily 1055script 1056.It Sy ftp.* 1057.Xr ftp 1 1058logs 1059.It Sy kerberos.* 1060.Xr kerberos 8 1061logs 1062.It Sy lastlog 1063system last time logged in log; see 1064.Xr utmp 5 1065.It Sy lpd-errs.* 1066printer daemon error logs; see 1067.Xr lpd 8 1068.It Sy maillog.* 1069.Xr sendmail 8 1070log files 1071.It Sy messages.* 1072general system information log 1073.It Sy monthly.out 1074output of the last run of the 1075.Pa /etc/monthly 1076script 1077.It Sy secure 1078sensitive security information log 1079.It Sy sendmail.st 1080.Xr sendmail 8 1081statistics 1082.It Sy timed.* 1083.Xr timed 8 1084logs 1085.It Sy weekly.out 1086output of the last run of the 1087.Pa /etc/weekly 1088script 1089.It Sy wtmp 1090login/logout log; 1091see 1092.Xr utmp 5 1093.El 1094.Pp 1095.It Sy mail/ 1096user system mailboxes 1097.It Sy msgs/ 1098system messages; see 1099.Xr msgs 1 1100.\" since we use nvi (now called vi) this isn't the place any more, is it? 1101.It Sy pkg/ 1102working files for third party packages 1103.It Sy preserve/ 1104temporary home of files preserved after an accidental death of 1105.Xr ex 1 1106or 1107.Xr vi 1 1108.It Sy quotas/ 1109filesystem quota information 1110.It Sy run/ 1111system information files, rebuilt after each reboot 1112.Pp 1113.Bl -tag -width "utmp" -compact 1114.It Sy utmp 1115database of current users; see 1116.Xr utmp 5 1117.El 1118.Pp 1119.It Sy rwho/ 1120rwho data files; see 1121.Xr rwhod 8 , 1122.Xr rwho 1 , 1123and 1124.Xr ruptime 1 1125.It Sy spool/ 1126miscellaneous printer and mail system spooling directories 1127.Pp 1128.Bl -tag -width "uucppublic/" -compact 1129.It Sy ftp/ 1130commonly 1131.Dq ~ftp , 1132the anonymous ftp root directory; see 1133.Xr ftpd 8 1134.It Sy mqueue/ 1135sendmail mail queue; 1136see 1137.Xr sendmail 8 1138.It Sy news/ 1139Network news archival and spooling directories 1140.It Sy output/ 1141printer spooling directories 1142.It Sy postfix/ 1143postfix mail queue; 1144see 1145.Xr postfix 1 1146.It Sy uucp/ 1147uucp spool directory 1148.It Sy uucppublic/ 1149commonly 1150.Dq ~uucp , 1151the uucp public temporary directory; see 1152.Xr uucp 1 1153.El 1154.Pp 1155.It Sy tmp/ 1156temporary files that are not discarded between system reboots 1157.Pp 1158.Bl -tag -width "vi.recover/" -compact 1159.It Sy vi.recover/ 1160recovery directory for new 1161.Xr vi 1 1162.El 1163.Pp 1164.It Sy yp/ 1165Databases and configuration for the NIS (YP) system; see 1166.Xr nis 8 . 1167.El 1168.El 1169.Sh SEE ALSO 1170.Xr apropos 1 , 1171.Xr ls 1 , 1172.Xr whatis 1 , 1173.Xr whereis 1 , 1174.Xr which 1 1175.Sh HISTORY 1176A 1177.Nm 1178manual page appeared in 1179.At v7 . 1180