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26 lines
682 B
Plaintext
26 lines
682 B
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# bmaptool
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> Create or copy block maps intelligently (designed to be faster than `cp` or `dd`).
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> More information: <https://manned.org/bmaptool>.
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- Output a blockmap file from image file:
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`bmaptool create {{[-o|--output]}} {{blockmap.bmap}} {{source.img}}`
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- Copy an image file into sdb:
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`bmaptool copy --bmap {{blockmap.bmap}} {{source.img}} {{/dev/sdb}}`
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- Copy a compressed image file into sdb:
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`bmaptool copy --bmap {{blockmap.bmap}} {{source.img.gz}} {{/dev/sdb}}`
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- Copy an image file into sdb without using a blockmap:
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`bmaptool copy --nobmap {{source.img}} {{/dev/sdb}}`
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