add directory Minix
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Minix/CD-ROM-2.0/MINIX/MANUALS/CAT1/DD.1
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Minix/CD-ROM-2.0/MINIX/MANUALS/CAT1/DD.1
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DD(1) Minix Programmer's Manual DD(1)
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NAME
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dd - disk dumper
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SYNOPSIS
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dd [option = value] ...
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EXAMPLES
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dd if=/dev/fd0 of=/dev/fd1
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# Copy disk 0 to disk 1
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dd if=x of=y bs=1w skip=4
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# Copy x to y, skipping 4 words
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dd if=x of=y count=3
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# Copy three 512-byte blocks
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DESCRIPTION
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This command is intended for copying partial files. The block size, skip
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count, and number of blocks to copy can be specified. The options are:
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if = file - Input file (default is stdin)
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of = file - Output file (default is standard output)
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ibs = n - Input block size (default 512 bytes)
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obs = n - Output block size (default is 512 bytes)
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bs = n - Block size; sets ibs and obs (default is 512 bytes)
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skip = n - Skip n input blocks before reading
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seek = n - Skip n output blocks before writing
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count = n - Copy only n input blocks
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conv = lcase - Convert upper case letters to lower case
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conv = ucase - Convert lower case letters to upper case
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conv = swab - Swap every pair of bytes
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conv = noerror - Ignore errors and just keep going
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conv = silent - Suppress statistics (Minix specific flag)
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Where sizes are expected, they are in bytes. However, the letters w, b,
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or k may be appended to the number to indicate words (2 bytes), blocks
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(512 bytes), or K (1024 bytes), respectively. When dd is finished, it
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reports the number of full and partial blocks read and written.
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SEE ALSO
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vol(1).
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1
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