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dskdump(1) Emulators dskdump(1)

dskdump - Sector-level copy from one floppy or image file to another

dskdump [-itype TYPE] [-otype TYPE] [-iside SIDE] [-oside SIDE] [-icomp COMP] [-ocomp COMP] [-idstep] [-odstep] [-retry COUNT] [-format FMT] [-first CYLINDER] [-last CYLINDER] INPUT-IMAGE OUTPUT-IMAGE

Dskdump copies floppy discs or images, optionally converting image types. Unlike dsktrans(1), dskdump can handle discs with different numbers or sizes of sector on different tracks.

Determines which driver is to be used to read from the source disc.
Select according to the disc image file. This is the default.
Use the DSK (CPCEmu format) image driver.
Use the extended version of the DSK format.
Use the floppy driver.
Use the hard disk (MYZ80 format) image driver. (This format cannot be autodetected.)
Use the CFI (DOS fdcopy format) image driver. (This format cannot be autodetected.)
Use the ApriDisk image driver (from the utility of the same name). (This format cannot be autodetected.)
Use the raw driver.

Determines which driver is to be used to write to the destination disc. The drivers are as for -itype.

Select the compression method used on the source disc image file (has no effect when reading a floppy disc).
Detect from the first few bytes of the file. This is the default.
Huffman coded (SQ / USQ).
Gzipped (gzip / gunzip).
Burrows-Wheeler compressed (bzip2 / bunzip2).

Select the compression to be used on output. Compression methods are as for -icomp, except that bz2 cannot be used.

Determines which side (0 or 1) of the source disc is to be read from.

Determines which side (0 or 1) of the destination disc is to be written to.

Double-step the source drive (used to read 360k discs in 1.2Mb drives). Only supported by the Linux floppy driver.

Double-step the destination drive (used to write 360k discs in 1.2Mb drives). Only supported by the Linux floppy driver.

Set the number of times to attempt a read/write/format in case of error.

Do not autodetect the disc format; use the named format. dskdump does not make extensive use of the disc format; it is chiefly used to provide a guess at the number of tracks to dump.

Start copying at the specified cylinder. Cylinders prior to this will not be formatted or written.

Copy up to and including the specified cylinder.

Double-step the destination drive (used to write 360k discs in 1.2Mb drives). Only supported by the Linux floppy driver.

dsktrans(1)

John Elliott <seasip.webmaster@gmail.com>.

23 January 2008 Version 1.2.1

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