sbin/mount/mount.8

36 .Nd mount file systems
61 device or the remote node (rhost:path) on to the file system tree at the point
69 file.
71 The system maintains a list of currently mounted file systems.
86 All the file systems described in
99 root file system which is always remounted to preserve
112 file to use.
115 a file system mount status from read-write to read-only.
117 forces the R/W mount of an unclean file system (dangerous; use with
124 those file systems which are marked as
129 option, also mount those file systems which are marked as
152 All I/O to the file system should be done asynchronously.
155 flag to set, since it does not guarantee that the file system structure
162 Update the file access time when reading from a file.
165 This flag indicates that the file system was mounted by
167 Automounted file systems are automatically unmounted by
170 Mount the file system read-write.
172 then automatically try to mount the file system read-only.
177 the mounted file system.
184 a file system mount status from read-write to read-only.
186 forces the R/W mount of an unclean file system (dangerous; use with caution).
192 file for the file system.
194 This file system should be skipped when
204 to use the specified program to mount the file system, instead of calling
212 Enable multi-label Mandatory Access Control, or MAC, on the specified file
214 If the file system supports multilabel operation, individual labels will
215 be maintained for each object in the file system, rather than using a
239 Do not update the file access time when reading from a file.
241 is useful on file systems where there are large numbers of files and
242 performance is more critical than updating the file access time (which is
244 This option is currently only supported on local file systems.
246 This file system should be skipped when
259 Do not allow execution of any binaries on the mounted file system.
260 This option is useful for a server that has file systems containing
273 Do not follow symlinks on the mounted file system.
275 This option is intended to be used when mounting file systems
276 from untrusted external storage systems or public writable /tmp file systems.
291 Snapshot files must be created in the file system that is being
293 You may create up to 20 snapshots per file system.
306 clear the schg flag before removing a snapshot file.
315 on the snapshot file.
316 Assuming that the file system was clean when it was mounted, you should always
324 You will get a dump that is consistent with the file system as of the timestamp
328 Mount the snapshot as a frozen image of the file system.
338 file system at
351 A directory on the mounted file system will respond to the SUID bit
356 the file, and it will not be given to root.
364 Only UFS file systems support this option.
369 All I/O to the file system should be done synchronously.
373 indicate that the status of an already mounted file system should be changed.
376 of the mounted file system root and the existing directory.
377 Lookups will be done in the mounted file system first.
378 If those operations fail due to a non-existent file the underlying
380 All creates are done in the mounted file system.
382 The file system is untrusted and the kernel should use more
383 extensive checks on the file-system's metadata before using it.
384 This option is intended to be used when mounting file systems
389 Any additional options specific to a file system type that is not
420 Additional options specific to file system types
436 The file system is to be mounted read-only.
437 Mount the file system read-only (even the super-user may not write it).
446 is used to indicate the file system type.
454 file systems of the specified type.
456 The list of file system types can be prefixed with
458 to specify the file system types for which action should
468 mounts all file systems except those of type NFS and NULLFS.
480 However, for the following file system types:
497 is replaced by the file system type name.
500 file systems are mounted by the program
503 Most file systems will be dynamically loaded by the kernel
508 flag indicates that the status of an already mounted file
514 also a file system can be changed from read-only to read-write
517 files on the file system are currently open for writing unless the
532 is used alone, show all file systems, including those that were mounted with the
534 flag and show additional information about each file system (including fsid
537 The file system object is to be read and write.
544 is set, all operations are performed against the specified file.
556 file system table
565 .Dl XXXXX file system is not available
567 The kernel does not support the respective file system type.
569 support for a particular file system might be provided either on a static
616 is accessible from the mounted file system.
623 is preferred over the use of the file system specific
631 only when the file system is mounted via
634 It is possible for a corrupted file system to cause a crash.