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Diffstat (limited to 'mtools.texi')
| -rw-r--r-- | mtools.texi | 82 |
1 files changed, 41 insertions, 41 deletions
diff --git a/mtools.texi b/mtools.texi index fdcd2bb..7b3dca5 100644 --- a/mtools.texi +++ b/mtools.texi @@ -165,14 +165,17 @@ All options use the @code{-} (minus) as their first character, not Most mtools commands allow multiple filename parameters, which doesn't follow MS-DOS conventions, but which is more user-friendly. -Most mtools commands allow options that instruct them how to handle file -name clashes. @xref{name clashes}, for more details on these. All -commands accept the @code{-V} flags which prints the version, and most -accept the @code{-v} flag, which switches on verbose mode. In verbose -mode, these commands print out the name of the MS-DOS files upon which -they act, unless stated otherwise. @xref{Commands}, for a description of -the options which are specific to each command. +Most mtools commands allow options that instruct them how to handle +file name clashes. @xref{name clashes}, for more details on these. +All commands accept the @code{-i} flag which allows to specify an +image file (@xref{drive letters}). + +All commands accept the @code{-V} flag which prints the version, and +most accept the @code{-v} flag, which switches on verbose mode. In +verbose mode, these commands print out the name of the MS-DOS files +upon which they act, unless stated otherwise. @xref{Commands}, for a +description of the options which are specific to each command. @node drive letters, directory, arguments, Common features @section Drive letters @@ -946,6 +949,35 @@ also available in ISO-Latin-1. You may also specify a global code page for all drives by using the global @code{default_codepage} parameter (outside of any drive description). This parameters exists starting at version 4.0.0 + +@item data_map +Remaps data from image file. This is useful for image files which +might need additional zero-filled sectors to be inserted. Such is the +case for instance for IBM 3174 floppy images. These images represent +floppy disks with fewer sectors on their first cylinder. These missing +sectors are not stored in the image, but are still counted in the +filesystem layout. The data_map allows to fake these missing sectors +for the upper layers of mtools. A data_map is a comma-separated +sequence of source type and size. Source type may be @code{zero} for +zero-filled sectors created by map, @code{skip} for data in raw image +to be ignored (skipped), and nothing for data to be used as is +(copied) from the raw image. Datamap is automatically complemented by +an implicit last element of data to be used as is from current offset +to end of file. Each size is a number followed by a unit: @code{s} for +a 512 byte sector, @code{K} for Kbytes, @code{M} for megabytes, +@code{G} for gigabytes, and nothing for single bytes. + +Example: + +@code{data_map=1s,zero31s,28s,skip1s} would be a map for use with IBM +3174 floppy images. First sector (@code{1s}, boot sector) is used as +is. Then follow 31 fake zero-filled sectors (@code{zero31s}), then the +next 28 sectors from image (@code{28s}) are used as is (they contain +FAT and root directory), then one sector from image is skipped +(@code{skip1s}), and finally the rest of image is used as is +(implicit) + + @item precmd @cindex Solaris (volcheck) @cindex Executing commands before opening the device @@ -1188,7 +1220,6 @@ description of those. * mbadblocks:: tests a floppy disk, and marks the bad blocks in the FAT * mcat:: same as cat. Only useful with floppyd. * mcd:: change MS-DOS directory -* mclasserase:: erase memory card * mcopy:: copy MS-DOS files to/from Unix * mdel:: delete an MS-DOS file * mdeltree:: recursively delete an MS-DOS directory @@ -1480,7 +1511,7 @@ stdin and writes it to the given device. command, it will happily destroy any data written before on the disk without warning! -@node mcd, mclasserase, mcat, Commands +@node mcd, mcopy, mcat, Commands @section Mcd @pindex mcd @cindex Directory (changing) @@ -1510,38 +1541,7 @@ if the file is more than 6 hours old. Unlike MS-DOS versions of @code{CD}, @code{mcd} can be used to change to another device. It may be wise to remove old @file{.mcwd} files at logout. -@node mclasserase, mcopy, mcd, Commands -@section Mclasserase -@pindex mclasserase -@cindex Memory Card -@cindex Physically erase - -The @code{mclasserase} command is used to wipe memory cards by -overwriting it three times: first with @code{0xff}, then with -@code{0x00}, then with @code{0xff} again. The command uses the following -syntax: - -@example -@code{mclasserase} [@code{-d}] @var{msdosdrive} -@end example - -MS-DOS drive is optional, if none is specified, use @code{A:}. If more than -one drive are specified, all but the last are ignored. - -@code{Mclasserase} accepts the following command line options: - -@table @code -@item d -Stop after each erase cycle, for testing purposes -@item p -Not yet implemented -@end table - - -@code{Mclasserase} returns 0 on success or -1 on failure. - - -@node mcopy, mdel, mclasserase, Commands +@node mcopy, mdel, mcd, Commands @section Mcopy @pindex mcopy @cindex Reading MS-DOS files |