diff options
Diffstat (limited to 'mount/mount.8')
| -rw-r--r-- | mount/mount.8 | 264 |
1 files changed, 235 insertions, 29 deletions
diff --git a/mount/mount.8 b/mount/mount.8 index f42375fdc..4aba358c2 100644 --- a/mount/mount.8 +++ b/mount/mount.8 @@ -33,6 +33,8 @@ .\" 970914, reg: -s option .\" 981111, K.Garloff: /etc/filesystems .\" 990111, aeb: documented /sbin/mount.smbfs +.\" 990730, Yann Droneaud <lch@multimania.com>: updated page +.\" 991214, Elrond <Elrond@Wunder-Nett.org>: added some docs on devpts .\" .TH MOUNT 8 "14 September 1997" "Linux 2.0" "Linux Programmer's Manual" .SH NAME @@ -175,6 +177,14 @@ instead of in the .I fstab line. +The +.B owner +option is similar to the +.B user +option, with the restriction that the user must be the owner +of the special file. This may be useful e.g. for +.I /dev/fd +if a login script makes the console user owner of this device. The programs .B mount @@ -202,7 +212,11 @@ option below). It is possible to replace by a symbolic link to .IR /proc/mounts , but some information is lost that way, and in particular -working with the loop device will be less convenient. +working with the loop device will be less convenient. Also, +pathnames containing spaces are handled correctly by +.I /etc/mtab +but not (yet) by +.IR /proc/mounts . .SH OPTIONS The full set of options used by an invocation of @@ -294,31 +308,35 @@ The argument following the is used to indicate the file system type. The file system types which are currently supported are listed in .IR linux/fs/filesystems.c : -.IR minix , -.IR xiafs , -.IR ext , -.IR ext2 , -.IR msdos , -.IR umsdos , -.IR vfat , -.IR proc , -.IR autofs , -.IR devpts , -.IR nfs , -.IR iso9660 , -.IR smbfs , -.IR ncpfs , .IR adfs , .IR affs , +.IR autofs , .IR coda , +.IR coherent , +.IR devpts , +.IR efs , +.IR ext , +.IR ext2 , .IR hfs , .IR hpfs , +.IR iso9660 , +.IR minix , +.IR msdos , +.IR ncpfs , +.IR nfs , .IR ntfs , +.IR proc , .IR qnx4 , .IR romfs , +.IR smbfs , +.IR sysv , +.IR udf , .IR ufs , -.IR sysv ", " xenix ", " coherent . -Note that the last three are equivalent and that +.IR umsdos , +.IR vfat , +.IR xenix , +.IR xiafs . +Note that coherent, sysv and xenix are equivalent and that .I xenix and .I coherent @@ -355,6 +373,7 @@ option is given, or if the .B auto type is specified, the superblock is probed for the filesystem type .RI ( minix ", " ext ", " ext2 ", " xiafs ", " iso9660 ", " romfs +.RI , ufs ", " ntfs ", " qnx4 ", " bfs are supported). If this probe fails, mount will try to read the file .IR /etc/filesystems , @@ -362,6 +381,7 @@ or, if that does not exist, .IR /proc/filesystems . All of the filesystem types listed there will be tried, except for those that are labeled "nodev" (e.g., +.IR devpts , .I proc and .IR nfs ). @@ -537,6 +557,32 @@ These options are accepted but ignored. .SH "Mount options for coherent" None. +.SH "Mount options for devpts" +The devpts file system is a pseudo file system, traditionally mounted on +.IR /dev/pts . +In order to acquire a pseudo terminal, a process opens +.IR /dev/ptmx ; +the number of the pseudo terminal is then made available to the process +and the pseudo terminal slave can be accessed as +.IR /dev/pts/ <number>. +.TP +\fBuid=\fP\fIvalue\fP and \fBgid=\fP\fIvalue\fP +This sets the owner or the group of newly created PTYs to +the specified values. When nothing is specified, they will +be set to the UID and GID of the creating process. +For example, if there is a tty group with GID 5, then +.B gid=5 +will cause newly created PTYs to belong to the tty group. +.TP +.BI mode= value +Set the mode of newly created PTYs to the specified value. +The default is 0600. +A value of +.B mode=620 +and +.B gid=5 +makes "mesg y" the default on newly created PTYs. + .SH "Mount options for ext" None. Note that the `ext' file system is obsolete. Don't use it. @@ -619,11 +665,15 @@ These options determine who can use the reserved blocks. Instead of block 1, use block .I n as superblock. This could be useful when the filesystem has been damaged. -Usually, copies of the superblock are found every 8192 blocks: in -block 1, 8193, 16385, ... -(Thus, one gets hundreds or even thousands of copies of the superblock -on a big filesystem. I do not know of options to mke2fs that would -cause fewer copies to be written.) +(Earlier, copies of the superblock would be made every 8192 blocks: in +block 1, 8193, 16385, ... (and one got hundreds or even thousands +of copies on a big filesystem). Since version 1.08, +.B mke2fs +has a \-s (sparse superblock) option to reduce the number of backup +superblocks, and since version 1.15 this is the default. Note +that this may mean that ext2 filesystems created by a recent +.B mke2fs +cannot be mounted r/w under Linux 2.0.*.) .TP .BR grpquota " / " noquota " / " quota " / " usrquota These options are accepted but ignored. @@ -638,7 +688,7 @@ and .I vfat filesystems.) .TP -.BR blocksize=512 " / " blocksize=1024 +.BR blocksize=512 " / " blocksize=1024 " / " blocksize=2048 Set blocksize (default 512). .TP \fBuid=\fP\fIvalue\fP and \fBgid=\fP\fIvalue\fP @@ -673,6 +723,10 @@ that are sometimes used on Linux, but are not accepted by MS-DOS are rejected. (+, =, spaces, etc.) .RE .TP +.BI codepage= value +Sets the codepage for converting to shortname characters on FAT +and VFAT filesystems. By default, codepage 437 is used. +.TP .BR conv=b[inary] " / " conv=t[ext] " / " conv=a[uto] The .I fat @@ -703,6 +757,15 @@ For file systems mounted in binary mode, a conversion tool (fromdos/todos) is available. .RE .TP +.BI cvf_format= module +Forces the driver to use the CVF (Compressed Volume File) module +.RI cvf_ module +instead of auto-detection. If the kernel supports kmod, the +cvf_format=xxx option also controls on-demand CVF module loading. +.TP +.BI cvf_option= option +Option passed to the CVF module. +.TP .B debug Turn on the .I debug @@ -710,10 +773,15 @@ flag. A version string and a list of file system parameters will be printed (these data are also printed if the parameters appear to be inconsistent). .TP -.BR fat=12 " / " fat=16 -Specify either a 12 bit fat or a 16 bit fat. This overrides +.BR fat=12 " / " fat=16 " / " fat=32 +Specify a 12, 16 or 32 bit fat. This overrides the automatic FAT type detection routine. Use with caution! .TP +.BI iocharset= value +Character set to use for converting between 8 bit characters +and 16 bit Unicode characters. The default is iso8859-1. +Long filenames are stored on disk in Unicode format. +.TP .B quiet Turn on the .I quiet @@ -774,6 +842,9 @@ that it is read-only, of course). .B norock Disable the use of Rock Ridge extensions, even if available. Cf.\& .BR map . +.B nojoliet +Disable the use of Microsoft Joliet extensions, even if available. Cf.\& +.BR map . .TP .BR check=r[elaxed] " / " check=s[trict] With @@ -792,7 +863,7 @@ possibly overriding the information found in the Rock Ridge extensions. (Default: .BR uid=0,gid=0 .) .TP -.BR map=n[ormal] " / " map=o[ff] +.BR map=n[ormal] " / " map=o[ff] " / " map=a[corn] For non-Rock Ridge volumes, normal name translation maps upper to lower case ASCII, drops a trailing `;1', and converts `;' to `.'. With @@ -801,6 +872,10 @@ no name translation is done. See .BR norock . (Default: .BR map=normal .) +.B map=acorn +is like +.BR map=normal +but also apply Acorn extensions if present. .TP .BI mode= value For non-Rock Ridge volumes, give all files the indicated mode. @@ -821,7 +896,7 @@ Set the block size to the indicated value. .BR conv=binary .) Since Linux 1.3.54 this option has no effect anymore. (And non-binary settings used to be very dangerous, -often leading to silent data corruption.) +possibly leading to silent data corruption.) .TP .B cruft If the high byte of the file length contains other garbage, @@ -830,6 +905,12 @@ This implies that a file cannot be larger than 16MB. The `cruft' option is set automatically if the entire CDROM has a weird size (negative, or more than 800MB). It is also set when volume sequence numbers other than 0 or 1 are seen. +.TP +.B session=x +Select number of session on multisession CD. (Since 2.3.4.) +.TP +.B sbsector=xxx +Session begins from sector xxx. (Since 2.3.4.) .SH "Mount options for minix" None. @@ -926,6 +1007,30 @@ Usually it just causes lots of trouble. .B nolock Do not use locking. Do not start lockd. +.SH "Mount options for ntfs" +.TP +.BI iocharset= name +Character set to use when returning file names. +Unlike VFAT, NTFS suppresses names that contain +unconvertible characters. +.TP +.BR utf8 +Use UTF-8 for converting file names. +.TP +.B uni_xlate=[0|1|2] +For 0 (or `no' or `false') or 1 (or `yes' or `true'): +use the VFAT-style encoding for file names outside the current +character set. A value of 2 will disable the encoding with ":". +.TP +.B posix=[0|1] +If enabled (posix=1), the file system distinguishes between +upper and lower case. The 8.3 alias names are presented as +hard links instead of being suppressed. +.TP +\fBuid=\fP\fIvalue\fP, \fBgid=\fP\fIvalue\fP and \fBumask=\fP\fIvalue\fP +Set the file permission on the filesystem. +By default, the files are owned by root and not readable by somebody else. + .SH "Mount options for proc" .TP \fBuid=\fP\fIvalue\fP and \fBgid=\fP\fIvalue\fP @@ -943,13 +1048,109 @@ to the mount system call. This argument is constructed by .BR smbmount (8) and the current version of .B mount -(2.6c) does not know anything about smb. +(2.9w) does not know anything about smb. .SH "Mount options for sysv" None. +.SH "Mount options for udf" +.TP +.B gid= +Set the default group. +.TP +.B umask= +Set the default umask. +.TP +.B uid= +Set the default user. +.TP +.B unhide +Show otherwise hidden files. +.TP +.B undelete +Show deleted files in lists. +.TP +.B strict +Set strict conformance (unused). +.TP +.B utf8 +(unused). +.TP +.B iocharset +(unused). +.TP +.B bs= +Set the block size. (May not work unless 2048.) +.TP +.B novrs +Skip volume sequence recognition. +.TP +.B session= +Set the CDROM session counting from 0. Default: last session. +.TP +.B anchor= +Override standard anchor location. Default: 256. +.TP +.B volume= +Override the VolumeDesc location. (unused) +.TP +.B partition= +Override the PartitionDesc location. (unused) +.TP +.B lastblock= +Set the last block of the filesystem. +.TP +.B fileset= +Override the fileset block location. (unused) +.TP +.B rootdir= +Override the root directory location. (unused) + .SH "Mount options for ufs" -None. +.TP +.BI ufstype= value +UFS is a file system widely used in different operating systems. +The problem are differences among implementations. Features of some +implementations are undocumented, so its hard to recognize the +type of ufs automatically. +That's why user must specify the type of ufs by mount option. +Possible values are: +.RS +.TP +.B old +Old format of ufs, this is the default, read only. +.TP +.B 44bsd +For filesystems created by a BSD-like system (NetBSD,FreeBSD,OpenBSD). +.TP +.B sun +For filesystems created by SunOS or Solaris on Sparc. +.TP +.B sunx86 +For filesystems created by Solaris on x86. +.TP +.B nextstep +For filesystems created by NeXTStep (on NeXT station) (currently read only). +.TP +.B nextstep-cd +For NextStep CDROMs (block_size == 2048), read-only. +.TP +.B openstep +For filesystems created by OpenStep (currently read only). +.RE + +.TP +.BI onerror= value +Set behaviour on error: +.RS +.TP +.B panic +If an error is encountered, cause a kernel panic. +.TP +.B [lock|umount|repair] +These mount options don't do anything at present; +when an error is encountered only a console message is printed. +.RE .SH "Mount options for umsdos" See mount options for msdos. @@ -984,6 +1185,11 @@ Allow two files with names that only differ in case. First try to make a short name without sequence number, before trying .IR name~num.ext . +.TP +.B utf8 +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. .SH "Mount options for xenix" None. |