diff options
Diffstat (limited to 'mount/mount.8')
-rw-r--r-- | mount/mount.8 | 83 |
1 files changed, 81 insertions, 2 deletions
diff --git a/mount/mount.8 b/mount/mount.8 index 7114b2952..01a722b7a 100644 --- a/mount/mount.8 +++ b/mount/mount.8 @@ -107,6 +107,14 @@ file hierarchy somewhere else. The call is .br .B "mount --bind olddir newdir" .RE +After this call the same contents is accessible in two places. + +Since Linux 2.5.1 it is possible to atomically move a subtree +to another place. The call is +.RS +.br +.B "mount --move olddir newdir" +.RE The .I proc @@ -408,6 +416,7 @@ type is specified, the superblock is probed for the filesystem type .IR qnx4 , .IR reiserfs , .IR romfs , +.IR udf , .IR ufs , .IR vxfs , .IR xfs , @@ -423,8 +432,13 @@ except for those that are labeled "nodev" (e.g., .I proc and .IR nfs ). +If +.I /etc/filesystems +ends in a line with a single * only, mount will read +.I /proc/filesystems +afterwards. -Note that the +The .B auto type may be useful for user-mounted floppies. Creating a file @@ -432,7 +446,10 @@ Creating a file can be useful to change the probe order (e.g., to try vfat before msdos) or if you use a kernel module autoloader. Warning: the probing uses a heuristic (the presence of appropriate `magic'), -and could recognize the wrong filesystem type. +and could recognize the wrong filesystem type, possibly with catastrophic +consequences. If your data is valuable, don't ask +.B mount +to guess. More than one type may be specified in a comma separated list. The list of file system types can be prefixed with @@ -547,6 +564,13 @@ This option implies the options (unless overridden by subsequent options, as in the option line .BR users,exec,dev,suid ). .RE +.TP +.B \-\-bind +Remount a subtree somewhere else (so that its contents are available +in both places). See above. +.TP +.B \-\-move +Move a subtree to some other place. See above. .SH "FILESYSTEM SPECIFIC MOUNT OPTIONS" The following options apply only to certain file systems. @@ -937,6 +961,11 @@ just read what is in the file. This is the default. Do not abort mounting when certain consistency checks fail. .SH "Mount options for iso9660" +ISO 9660 is a standard describing a filesystem structure to be used +on CD-ROMs. (This filesystem type is also seen on some DVDs. See also the +.I udf +filesystem.) + Normal .I iso9660 filenames appear in a 8.3 format (i.e., DOS-like restrictions on filename @@ -1154,6 +1183,7 @@ By default, the files are owned by root and not readable by somebody else. These options are recognized, but have no effect as far as I can see. .SH "Mount options for reiserfs" +Reiserfs is a journaling filesystem. The reiserfs mount options are more fully described at .IR http://www.namesys.com/mount-options.html . .TP @@ -1276,6 +1306,10 @@ Set number of inodes. Set initial permissions of the root directory. .SH "Mount options for udf" +udf is the "Universal Disk Format" filesystem defined by the Optical +Storage Technology Association, and is often used for DVD-ROM. +See also +.IR iso9660 . .TP .B gid= Set the default group. @@ -1359,6 +1393,7 @@ For NextStep CDROMs (block_size == 2048), read-only. .TP .B openstep For filesystems created by OpenStep (currently read only). +The same filesystem type is also used by Mac OS X. .RE .TP @@ -1412,6 +1447,17 @@ before trying UTF8 is the filesystem safe 8-bit encoding of Unicode that is used by the console. It can be be enabled for the filesystem with this option. If `uni_xlate' gets set, UTF8 gets disabled. +.TP +.B shortname=[lower|win95|winnt|mixed] +Option (available since 2.4.13) that sets how short filenames are to be +created and displayed. +.nf + lower = display lower, create win95 filenames + win95 = display win95, create win95 filenames + winnt = display winnt, create winnt filenames + mixed = display winnt, create win95 filenames +.fi +Default is "lower". .SH "Mount options for xenix" None. @@ -1550,6 +1596,39 @@ will be freed by You can also free a loop device by hand, using `losetup -d', see .BR losetup (8). +.SH RETURN CODES +.B mount +has the following return codes (the bits can be ORed): +.TP +.BR 0 +success +.TP +.BR 1 +incorrect invocation or permissions +.TP +.BR 2 +system error (out of memory, cannot fork, no more loop devices) +.TP +.BR 4 +internal +.B mount +bug or missing +.BR nfs +support in +.B mount +.TP +.BR 8 +user interrupt +.TP +.BR 16 +problems writing or locking /etc/mtab +.TP +.BR 32 +mount failure +.TP +.BR 64 +some mount succeeded + .SH FILES .I /etc/fstab file system table |