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Merge pull request #400 from WANG-lp/master

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add dd.md
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Felix Yan 2015-12-30 20:43:19 +08:00
commit 8e38bd67a4
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# dd
> convert and copy a file
- Make a bootable usb drive from an isohybrid file (such like archlinux-xxx.iso)
`dd if={{file.iso}} of=/dev/{{usb_drive}}`
- Clone a drive to another drive with 4MB block and ignore error
`dd if=/dev/{{source_drive}} of=/dev/{{dest_drive}} bs=4M conv=noerror`
- Generating a file of 100 random bytes by using kernel random driver
`dd if=/dev/urandom of={{random_file}} bs=100 count=1`
- Benchmark the write performance of a disk
`dd if=/dev/zero of={{file_1GB}} bs=1024 count=1000000`

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# dd
> convert and copy a file
- Make a bootable usb drive from an isohybrid file (such like archlinux-xxx.iso)
`dd if={{file.iso}} of=/dev/{{usb_drive}}`
- Clone a drive to another drive with 4MB block and ignore error
`dd if=/dev/{{source_drive}} of=/dev/{{dest_drive}} bs=4m conv=noerror`
- Generating a file of 100 random bytes by using kernel random driver
`dd if=/dev/urandom of={{random_file}} bs=100 count=1`
- Benchmark the write performance of a disk
`dd if=/dev/zero of={{file_1GB}} bs=1024 count=1000000`