1afe61c15SRodney W. Grimes.\" Copyright (c) 1980, 1989, 1991, 1993 2afe61c15SRodney W. Grimes.\" The Regents of the University of California. All rights reserved. 3afe61c15SRodney W. Grimes.\" 4afe61c15SRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 5afe61c15SRodney W. Grimes.\" modification, are permitted provided that the following conditions 6afe61c15SRodney W. Grimes.\" are met: 7afe61c15SRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 8afe61c15SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 9afe61c15SRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 10afe61c15SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 11afe61c15SRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 12dda5b397SEitan Adler.\" 3. Neither the name of the University nor the names of its contributors 13afe61c15SRodney W. Grimes.\" may be used to endorse or promote products derived from this software 14afe61c15SRodney W. Grimes.\" without specific prior written permission. 15afe61c15SRodney W. Grimes.\" 16afe61c15SRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17afe61c15SRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18afe61c15SRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19afe61c15SRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20afe61c15SRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21afe61c15SRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22afe61c15SRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23afe61c15SRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24afe61c15SRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25afe61c15SRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26afe61c15SRodney W. Grimes.\" SUCH DAMAGE. 27afe61c15SRodney W. Grimes.\" 28afe61c15SRodney W. Grimes.\" @(#)fstab.5 8.1 (Berkeley) 6/5/93 297f3dea24SPeter Wemm.\" $FreeBSD$ 30afe61c15SRodney W. Grimes.\" 31cd2fccbbSChristian Brueffer.Dd April 14, 2014 32afe61c15SRodney W. Grimes.Dt FSTAB 5 333d45e180SRuslan Ermilov.Os 34afe61c15SRodney W. Grimes.Sh NAME 35afe61c15SRodney W. Grimes.Nm fstab 36afe61c15SRodney W. Grimes.Nd static information about the file systems 37afe61c15SRodney W. Grimes.Sh SYNOPSIS 3832eef9aeSRuslan Ermilov.In fstab.h 39afe61c15SRodney W. Grimes.Sh DESCRIPTION 40afe61c15SRodney W. GrimesThe file 414b66483fSRuslan Ermilov.Nm 42afe61c15SRodney W. Grimescontains descriptive information about the various file 43afe61c15SRodney W. Grimessystems. 444b66483fSRuslan Ermilov.Nm 45afe61c15SRodney W. Grimesis only read by programs, and not written; 46afe61c15SRodney W. Grimesit is the duty of the system administrator to properly create 47afe61c15SRodney W. Grimesand maintain this file. 48afe61c15SRodney W. GrimesEach file system is described on a separate line; 49afe61c15SRodney W. Grimesfields on each line are separated by tabs or spaces. 50afe61c15SRodney W. GrimesThe order of records in 514b66483fSRuslan Ermilov.Nm 52afe61c15SRodney W. Grimesis important because 53afe61c15SRodney W. Grimes.Xr fsck 8 , 54afe61c15SRodney W. Grimes.Xr mount 8 , 55afe61c15SRodney W. Grimesand 56afe61c15SRodney W. Grimes.Xr umount 8 57afe61c15SRodney W. Grimessequentially iterate through 584b66483fSRuslan Ermilov.Nm 59afe61c15SRodney W. Grimesdoing their thing. 60afe61c15SRodney W. Grimes.Pp 61afe61c15SRodney W. GrimesThe first field, 62afe61c15SRodney W. Grimes.Pq Fa fs_spec , 63f2c05021SMike Pritcharddescribes the special device or 64afe61c15SRodney W. Grimesremote file system to be mounted. 65da087883SStefan FarfelederThe contents are decoded by the 66da087883SStefan Farfeleder.Xr strunvis 3 67da087883SStefan Farfelederfunction. 68da087883SStefan FarfelederThis allows using spaces or tabs in the device name which would be 69da087883SStefan Farfelederinterpreted as field separators otherwise. 70afe61c15SRodney W. Grimes.Pp 71afe61c15SRodney W. GrimesThe second field, 72afe61c15SRodney W. Grimes.Pq Fa fs_file , 73afe61c15SRodney W. Grimesdescribes the mount point for the file system. 74df6a289eSXin LIFor swap partitions, this field should be specified as 75df6a289eSXin LI.Dq none . 76da087883SStefan FarfelederThe contents are decoded by the 77da087883SStefan Farfeleder.Xr strunvis 3 78da087883SStefan Farfelederfunction, as above. 79afe61c15SRodney W. Grimes.Pp 80afe61c15SRodney W. GrimesThe third field, 81afe61c15SRodney W. Grimes.Pq Fa fs_vfstype , 82afe61c15SRodney W. Grimesdescribes the type of the file system. 83e9387c7dSWolfram SchneiderThe system can support various file system types. 84e9387c7dSWolfram SchneiderOnly the root, /usr, and /tmp file systems need be statically 85e9387c7dSWolfram Schneidercompiled into the kernel; 86e9387c7dSWolfram Schneidereverything else will be automatically loaded at mount 875203edcdSRuslan Ermilovtime. 8875184335SWarner Losh(Exception: the FFS cannot currently be demand-loaded.) 895203edcdSRuslan ErmilovSome people still prefer to statically 90e9387c7dSWolfram Schneidercompile other file systems as well. 91afe61c15SRodney W. Grimes.Pp 92afe61c15SRodney W. GrimesThe fourth field, 93afe61c15SRodney W. Grimes.Pq Fa fs_mntops , 94afe61c15SRodney W. Grimesdescribes the mount options associated with the file system. 95afe61c15SRodney W. GrimesIt is formatted as a comma separated list of options. 96afe61c15SRodney W. GrimesIt contains at least the type of mount (see 97afe61c15SRodney W. Grimes.Fa fs_type 986e63b508SGiorgos Keramidasbelow) plus any additional options appropriate to the file system type. 995203edcdSRuslan ErmilovSee the options flag 10067ea20edSGuy Helmer.Pq Fl o 10167ea20edSGuy Helmerin the 10267ea20edSGuy Helmer.Xr mount 8 10367ea20edSGuy Helmerpage and the file system specific page, such as 10467ea20edSGuy Helmer.Xr mount_nfs 8 , 10567ea20edSGuy Helmerfor additional options that may be specified. 1066e63b508SGiorgos KeramidasAll options that can be given to the file system specific mount commands 1076e63b508SGiorgos Keramidascan be used in 1086e63b508SGiorgos Keramidas.Nm 1096e63b508SGiorgos Keramidasas well. 1106e63b508SGiorgos KeramidasThey just need to be formatted a bit differently. 1116e63b508SGiorgos KeramidasThe arguments of the 1126e63b508SGiorgos Keramidas.Fl o 1136e63b508SGiorgos Keramidasoption can be used without the preceding 1146e63b508SGiorgos Keramidas.Fl o 1156e63b508SGiorgos Keramidasflag. 1166e63b508SGiorgos KeramidasOther options need both the file system specific flag and its argument, 1176e63b508SGiorgos Keramidasseparated by an equal sign. 1186e63b508SGiorgos KeramidasFor example, mounting an 1196e63b508SGiorgos Keramidas.Xr msdosfs 5 1206e63b508SGiorgos Keramidasfilesystem, the options 1216e63b508SGiorgos Keramidas.Bd -literal -offset indent 1226e63b508SGiorgos Keramidas-o sync -o noatime -m 644 -M 755 -u foo -g bar 1236e63b508SGiorgos Keramidas.Ed 1246e63b508SGiorgos Keramidas.Pp 1256e63b508SGiorgos Keramidasshould be written as 1266e63b508SGiorgos Keramidas.Bd -literal -offset indent 1276e63b508SGiorgos Keramidassync,noatime,-m=644,-M=755,-u=foo,-g=bar 1286e63b508SGiorgos Keramidas.Ed 1296e63b508SGiorgos Keramidas.Pp 1306e63b508SGiorgos Keramidasin the option field of 1316e63b508SGiorgos Keramidas.Nm . 132afe61c15SRodney W. Grimes.Pp 133df6a289eSXin LIIf the options 134df6a289eSXin LI.Dq userquota 135df6a289eSXin LIand/or 136df6a289eSXin LI.Dq groupquota 137df6a289eSXin LIare specified, 138afe61c15SRodney W. Grimesthe file system is automatically processed by the 139afe61c15SRodney W. Grimes.Xr quotacheck 8 140afe61c15SRodney W. Grimescommand, and user and/or group disk quotas are enabled with 141afe61c15SRodney W. Grimes.Xr quotaon 8 . 142afe61c15SRodney W. GrimesBy default, 143afe61c15SRodney W. Grimesfile system quotas are maintained in files named 144afe61c15SRodney W. Grimes.Pa quota.user 145afe61c15SRodney W. Grimesand 146afe61c15SRodney W. Grimes.Pa quota.group 147afe61c15SRodney W. Grimeswhich are located at the root of the associated file system. 148afe61c15SRodney W. GrimesThese defaults may be overridden by putting an equal sign 149afe61c15SRodney W. Grimesand an alternative absolute pathname following the quota option. 150afe61c15SRodney W. GrimesThus, if the user quota file for 151afe61c15SRodney W. Grimes.Pa /tmp 152afe61c15SRodney W. Grimesis stored in 153afe61c15SRodney W. Grimes.Pa /var/quotas/tmp.user , 154afe61c15SRodney W. Grimesthis location can be specified as: 155afe61c15SRodney W. Grimes.Bd -literal -offset indent 156afe61c15SRodney W. Grimesuserquota=/var/quotas/tmp.user 157afe61c15SRodney W. Grimes.Ed 158afe61c15SRodney W. Grimes.Pp 159df6a289eSXin LIIf the option 160df6a289eSXin LI.Dq failok 161df6a289eSXin LIis specified, 162c7383075SXin LIthe system will ignore any error which happens during the mount of that filesystem, 163c7383075SXin LIwhich would otherwise cause the system to drop into single user mode. 164c7383075SXin LIThis option is implemented by the 165c7383075SXin LI.Xr mount 8 166c7383075SXin LIcommand and will not be passed to the kernel. 167c7383075SXin LI.Pp 168df6a289eSXin LIIf the option 169df6a289eSXin LI.Dq noauto 170df6a289eSXin LIis specified, the file system will not be automatically 171e70db05aSDavid Greenmanmounted at system startup. 1721c2941b2SSheldon HearnNote that, for network file systems 1731c2941b2SSheldon Hearnof third party types 1745203edcdSRuslan Ermilov(i.e., types supported by additional software 1751c2941b2SSheldon Hearnnot included in the base system) 1761c2941b2SSheldon Hearnto be automatically mounted at system startup, 1771c2941b2SSheldon Hearnthe 17863122b7fSRuslan Ermilov.Va extra_netfs_types 1791c2941b2SSheldon Hearn.Xr rc.conf 5 1801c2941b2SSheldon Hearnvariable must be used to extend the 181bb522200SSheldon Hearn.Xr rc 8 1821c2941b2SSheldon Hearnstartup script's list of network file system types. 183e70db05aSDavid Greenman.Pp 184268a55bcSHiroki SatoIf the option 185268a55bcSHiroki Sato.Dq late 186268a55bcSHiroki Satois specified, the file system will be automatically mounted 187268a55bcSHiroki Satoat a stage of system startup after remote mount points are mounted. 188268a55bcSHiroki SatoFor more detail about this option, 189268a55bcSHiroki Satosee the 190268a55bcSHiroki Sato.Xr mount 8 191268a55bcSHiroki Satomanual page. 192268a55bcSHiroki Sato.Pp 193afe61c15SRodney W. GrimesThe type of the mount is extracted from the 194afe61c15SRodney W. Grimes.Fa fs_mntops 195afe61c15SRodney W. Grimesfield and stored separately in the 196afe61c15SRodney W. Grimes.Fa fs_type 197afe61c15SRodney W. Grimesfield (it is not deleted from the 198afe61c15SRodney W. Grimes.Fa fs_mntops 199afe61c15SRodney W. Grimesfield). 200afe61c15SRodney W. GrimesIf 201afe61c15SRodney W. Grimes.Fa fs_type 202df6a289eSXin LIis 203df6a289eSXin LI.Dq rw 204df6a289eSXin LIor 205df6a289eSXin LI.Dq ro 206df6a289eSXin LIthen the file system whose name is given in the 207afe61c15SRodney W. Grimes.Fa fs_file 208afe61c15SRodney W. Grimesfield is normally mounted read-write or read-only on the 209afe61c15SRodney W. Grimesspecified special file. 210268a55bcSHiroki Sato.Pp 211afe61c15SRodney W. GrimesIf 212afe61c15SRodney W. Grimes.Fa fs_type 213df6a289eSXin LIis 214df6a289eSXin LI.Dq sw 215df6a289eSXin LIthen the special file is made available as a piece of swap 216afe61c15SRodney W. Grimesspace by the 217afe61c15SRodney W. Grimes.Xr swapon 8 218afe61c15SRodney W. Grimescommand at the end of the system reboot procedure. 219*a616b253SDoug MooreFor swap devices, the keyword 220*a616b253SDoug Moore.Dq trimonce 221*a616b253SDoug Mooretriggers the delivery of a 222*a616b253SDoug Moore.Dv BIO_DELETE 223*a616b253SDoug Moorecommand to the device to mark 224*a616b253SDoug Mooreall blocks as unused. 225268a55bcSHiroki SatoFor vnode-backed swap spaces, 226268a55bcSHiroki Sato.Dq file 227268a55bcSHiroki Satois supported in the 228268a55bcSHiroki Sato.Fa fs_mntops 229268a55bcSHiroki Satofield. 230268a55bcSHiroki SatoWhen 231268a55bcSHiroki Sato.Fa fs_spec 232268a55bcSHiroki Satois an 233268a55bcSHiroki Sato.Xr md 4 234268a55bcSHiroki Satodevice file 235268a55bcSHiroki Sato.Pq Do md Dc or Do md[0-9]* Dc 236268a55bcSHiroki Satoand 237268a55bcSHiroki Sato.Dq file 238268a55bcSHiroki Satois specified in 239268a55bcSHiroki Sato.Fa fs_mntopts , 240268a55bcSHiroki Satoan 241268a55bcSHiroki Sato.Xr md 4 242268a55bcSHiroki Satodevice is created with the specified file used as backing store, 243268a55bcSHiroki Satoand then the new device is used as swap space. 244a78deafaSHiroki SatoSwap entries on 245a78deafaSHiroki Sato.Pa .eli 246a78deafaSHiroki Satodevices will cause automatic creation of encrypted devices. 247a78deafaSHiroki SatoThe 248a78deafaSHiroki Sato.Dq ealgo , 249a78deafaSHiroki Sato.Dq aalgo , 250cd2fccbbSChristian Brueffer.Dq keylen , 251445bda3fSPawel Jakub Dawidek.Dq notrim , 252a78deafaSHiroki Satoand 253a78deafaSHiroki Sato.Dq sectorsize 254a78deafaSHiroki Satooptions may be passed to control those 255a78deafaSHiroki Sato.Xr geli 8 256a78deafaSHiroki Satoparameters. 257afe61c15SRodney W. GrimesThe fields other than 258afe61c15SRodney W. Grimes.Fa fs_spec 259afe61c15SRodney W. Grimesand 260afe61c15SRodney W. Grimes.Fa fs_type 261afe61c15SRodney W. Grimesare unused. 262afe61c15SRodney W. GrimesIf 263afe61c15SRodney W. Grimes.Fa fs_type 264df6a289eSXin LIis specified as 265df6a289eSXin LI.Dq xx 266df6a289eSXin LIthe entry is ignored. 267afe61c15SRodney W. GrimesThis is useful to show disk partitions which are currently unused. 268afe61c15SRodney W. Grimes.Pp 269afe61c15SRodney W. GrimesThe fifth field, 270afe61c15SRodney W. Grimes.Pq Fa fs_freq , 271afe61c15SRodney W. Grimesis used for these file systems by the 272afe61c15SRodney W. Grimes.Xr dump 8 273afe61c15SRodney W. Grimescommand to determine which file systems need to be dumped. 274afe61c15SRodney W. GrimesIf the fifth field is not present, a value of zero is returned and 275edf0e5b3SMike Pritchard.Nm dump 276afe61c15SRodney W. Grimeswill assume that the file system does not need to be dumped. 277e3fbf603SWarner LoshIf the fifth field is greater than 0, then it specifies the number of days 278e3fbf603SWarner Loshbetween dumps for this file system. 279afe61c15SRodney W. Grimes.Pp 280afe61c15SRodney W. GrimesThe sixth field, 281afe61c15SRodney W. Grimes.Pq Fa fs_passno , 282afe61c15SRodney W. Grimesis used by the 283afe61c15SRodney W. Grimes.Xr fsck 8 284c980e8b5SMike Pritchardand 285c980e8b5SMike Pritchard.Xr quotacheck 8 2865338828aSMike Pritchardprograms to determine the order in which file system and quota 2875338828aSMike Pritchardchecks are done at reboot time. 2885338828aSMike PritchardThe 2895338828aSMike Pritchard.Fa fs_passno 2905338828aSMike Pritchardfield can be any value between 0 and 2915338828aSMike Pritchard.Ql INT_MAX Ns -1 . 2925338828aSMike Pritchard.Pp 293afe61c15SRodney W. GrimesThe root file system should be specified with a 294afe61c15SRodney W. Grimes.Fa fs_passno 295afe61c15SRodney W. Grimesof 1, and other file systems should have a 296afe61c15SRodney W. Grimes.Fa fs_passno 2975338828aSMike Pritchardof 2 or greater. 2985338828aSMike PritchardA file system with a 2995338828aSMike Pritchard.Fa fs_passno 3005338828aSMike Pritchardvalue of 1 is always checked sequentially and be completed before 3015338828aSMike Pritchardanother file system is processed, and it will be processed before 3025338828aSMike Pritchardall file systems with a larger 3035338828aSMike Pritchard.Fa fs_passno . 3045338828aSMike Pritchard.Pp 305203f7a28SMike PritchardFor any given value of 306203f7a28SMike Pritchard.Fa fs_passno , 307203f7a28SMike Pritchardfile systems within a drive will be checked sequentially, 308afe61c15SRodney W. Grimesbut file systems on different drives will be checked at the 309afe61c15SRodney W. Grimessame time to utilize parallelism available in the hardware. 310203f7a28SMike PritchardOnce all file system checks are complete for the current 311203f7a28SMike Pritchard.Fa fs_passno , 312203f7a28SMike Pritchardthe same process will start over for the next 313203f7a28SMike Pritchard.Fa fs_passno . 314203f7a28SMike Pritchard.Pp 3154043c58eSTim VanderhoekIf the sixth field is not present or is zero, 316afe61c15SRodney W. Grimesa value of zero is returned and 317edf0e5b3SMike Pritchard.Xr fsck 8 318c980e8b5SMike Pritchardand 319c980e8b5SMike Pritchard.Xr quotacheck 8 320afe61c15SRodney W. Grimeswill assume that the file system does not need to be checked. 3215338828aSMike Pritchard.Pp 3225338828aSMike PritchardThe 3235338828aSMike Pritchard.Fa fs_passno 3245338828aSMike Pritchardfield can be used to implement finer control when 3255338828aSMike Pritchardthe system utilities may determine that the file system resides 3265338828aSMike Pritchardon a different physical device, when it actually does not, as with a 3275338828aSMike Pritchard.Xr ccd 4 3285338828aSMike Pritcharddevice. 329203f7a28SMike PritchardAll file systems with a lower 330203f7a28SMike Pritchard.Fa fs_passno 331203f7a28SMike Pritchardvalue will be completed before starting on file systems with a 332203f7a28SMike Pritchardhigher 333203f7a28SMike Pritchard.Fa fs_passno 334203f7a28SMike Pritchardvalue. 335203f7a28SMike PritchardE.g. all file systems with a 336203f7a28SMike Pritchard.Fa fs_passno 337203f7a28SMike Pritchardof 2 will be completed before any file systems with a 338203f7a28SMike Pritchard.Fa fs_passno 339203f7a28SMike Pritchardof 3 or greater are started. 340203f7a28SMike PritchardGaps are allowed between the different 341203f7a28SMike Pritchard.Fa fs_passno 342203f7a28SMike Pritchardvalues. 343203f7a28SMike PritchardE.g. file systems listed in 344203f7a28SMike Pritchard.Pa /etc/fstab 345203f7a28SMike Pritchardmay have 346203f7a28SMike Pritchard.Fa fs_passno 347203f7a28SMike Pritchardvalues such as 0, 1, 2, 15, 100, 200, 300, and may appear in any order 348203f7a28SMike Pritchardwithin 349203f7a28SMike Pritchard.Pa /etc/fstab . 350afe61c15SRodney W. Grimes.Bd -literal 351ad2c737eSMike Pritchard#define FSTAB_RW "rw" /* read/write device */ 352ad2c737eSMike Pritchard#define FSTAB_RQ "rq" /* read/write with quotas */ 353afe61c15SRodney W. Grimes#define FSTAB_RO "ro" /* read-only device */ 354afe61c15SRodney W. Grimes#define FSTAB_SW "sw" /* swap device */ 355afe61c15SRodney W. Grimes#define FSTAB_XX "xx" /* ignore totally */ 356afe61c15SRodney W. Grimes 357afe61c15SRodney W. Grimesstruct fstab { 358afe61c15SRodney W. Grimes char *fs_spec; /* block special device name */ 359afe61c15SRodney W. Grimes char *fs_file; /* file system path prefix */ 360ad2c737eSMike Pritchard char *fs_vfstype; /* File system type, ufs, nfs */ 361ad2c737eSMike Pritchard char *fs_mntops; /* Mount options ala -o */ 362ad2c737eSMike Pritchard char *fs_type; /* FSTAB_* from fs_mntops */ 363afe61c15SRodney W. Grimes int fs_freq; /* dump frequency, in days */ 364ad2c737eSMike Pritchard int fs_passno; /* pass number on parallel fsck */ 365afe61c15SRodney W. Grimes}; 366afe61c15SRodney W. Grimes.Ed 367afe61c15SRodney W. Grimes.Pp 368afe61c15SRodney W. GrimesThe proper way to read records from 369afe61c15SRodney W. Grimes.Pa fstab 370afe61c15SRodney W. Grimesis to use the routines 371afe61c15SRodney W. Grimes.Xr getfsent 3 , 372afe61c15SRodney W. Grimes.Xr getfsspec 3 , 373afe61c15SRodney W. Grimes.Xr getfstype 3 , 374afe61c15SRodney W. Grimesand 375afe61c15SRodney W. Grimes.Xr getfsfile 3 . 376afe61c15SRodney W. Grimes.Sh FILES 377afe61c15SRodney W. Grimes.Bl -tag -width /etc/fstab -compact 378afe61c15SRodney W. Grimes.It Pa /etc/fstab 379afe61c15SRodney W. GrimesThe file 3804b66483fSRuslan Ermilov.Nm 381afe61c15SRodney W. Grimesresides in 382afe61c15SRodney W. Grimes.Pa /etc . 383afe61c15SRodney W. Grimes.El 3849d52c5eaSHiroki Sato.Sh EXAMPLES 3859d52c5eaSHiroki Sato.Bd -literal 3869d52c5eaSHiroki Sato# Device Mountpoint FStype Options Dump Pass# 3879d52c5eaSHiroki Sato# 3889d52c5eaSHiroki Sato# UFS file system. 3899d52c5eaSHiroki Sato/dev/da0p2 / ufs rw 1 1 3909d52c5eaSHiroki Sato# 3919d52c5eaSHiroki Sato# Swap space on a block device. 3929d52c5eaSHiroki Sato/dev/da0p1 none swap sw 0 0 3939d52c5eaSHiroki Sato# 3949d52c5eaSHiroki Sato# Swap space using a block device with GBDE/GELI encyption. 3959d52c5eaSHiroki Sato# aalgo, ealgo, keylen, sectorsize options are available 3969d52c5eaSHiroki Sato# for .eli devices. 3979d52c5eaSHiroki Sato/dev/da1p1.bde none swap sw 0 0 3989d52c5eaSHiroki Sato/dev/da1p2.eli none swap sw 0 0 3999d52c5eaSHiroki Sato# 4009d52c5eaSHiroki Sato# tmpfs. 4019d52c5eaSHiroki Satotmpfs /tmp tmpfs rw,size=1g,mode=1777 0 0 4029d52c5eaSHiroki Sato# 4039d52c5eaSHiroki Sato# UFS file system on a swap-backed md(4). /dev/md10 is 4049d52c5eaSHiroki Sato# automatically created. If it is "md", a unit number 4059d52c5eaSHiroki Sato# will be automatically selected. 4069d52c5eaSHiroki Satomd10 /scratch mfs rw,-s1g 0 0 4079d52c5eaSHiroki Sato# 4089d52c5eaSHiroki Sato# Swap space on a vnode-backed md(4). 4099d52c5eaSHiroki Satomd11 none swap sw,file=/swapfile 0 0 4109d52c5eaSHiroki Sato# 4119d52c5eaSHiroki Sato# CDROM. "noauto" option is typically used because the 4129d52c5eaSHiroki Sato# media is removable. 4139d52c5eaSHiroki Sato/dev/cd0 /cdrom cd9660 ro,noauto 0 0 4149d52c5eaSHiroki Sato# 4159d52c5eaSHiroki Sato# NFS-exported file system. "serv" is an NFS server name 4169d52c5eaSHiroki Sato# or IP address. 4179d52c5eaSHiroki Satoserv:/export /nfs nfs rw,noinet6 0 0 4189d52c5eaSHiroki Sato.Ed 419afe61c15SRodney W. Grimes.Sh SEE ALSO 420e9387c7dSWolfram Schneider.Xr getfsent 3 , 421e9387c7dSWolfram Schneider.Xr getvfsbyname 3 , 42279ce8a64SJoel Dahl.Xr strunvis 3 , 4235338828aSMike Pritchard.Xr ccd 4 , 424e9387c7dSWolfram Schneider.Xr dump 8 , 425e9387c7dSWolfram Schneider.Xr fsck 8 , 426a78deafaSHiroki Sato.Xr geli 8 , 427e9387c7dSWolfram Schneider.Xr mount 8 , 428e9387c7dSWolfram Schneider.Xr quotacheck 8 , 429e9387c7dSWolfram Schneider.Xr quotaon 8 , 430e9387c7dSWolfram Schneider.Xr swapon 8 , 4316fe89339SBen Smithurst.Xr umount 8 432afe61c15SRodney W. Grimes.Sh HISTORY 433afe61c15SRodney W. GrimesThe 434afe61c15SRodney W. Grimes.Nm 435afe61c15SRodney W. Grimesfile format appeared in 436afe61c15SRodney W. Grimes.Bx 4.0 . 437