mirror of https://github.com/CrimsonTome/tldr.git
dd: split POSIX/BSD/GNU, sync pages, fix syntax (#9624)
* dd: split POSIX/BSD/GNU, sync pages, fix syntax * Apply suggestions from code review * Update dd.md * Update dd.md * Update dd.mdpull/3/head
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@ -3,30 +3,30 @@
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> Convert and copy a file.
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> More information: <https://www.gnu.org/software/coreutils/dd>.
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- Make a bootable USB drive from an isohybrid file (such like `archlinux-xxx.iso`) and show the progress:
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- Make a bootable USB drive from an isohybrid file (such like `archlinux-xxx.iso`):
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`dd if={{file.iso}} of=/dev/{{usb_drive}} status=progress`
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`dd if={{path/to/file.iso}} of=/dev/{{usb_drive}}`
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- Clone a drive to another drive with 4 MiB block, ignore error and show progress:
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- Clone a drive to another drive with 4 MiB block and ignore error:
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`dd if=/dev/{{source_drive}} of=/dev/{{dest_drive}} bs=4M conv=noerror status=progress`
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`dd if=/dev/{{source_drive}} of=/dev/{{dest_drive}} bs={{4194304}} conv={{noerror}}`
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- Generate a file of 100 random bytes by using kernel random driver:
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`dd if=/dev/urandom of={{random_file}} bs=100 count=1`
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`dd if=/dev/urandom of={{path/to/random_file}} bs={{100}} count={{1}}`
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- Benchmark the write performance of a disk:
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`dd if=/dev/zero of={{file_1GB}} bs=1024 count=1000000`
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`dd if=/dev/zero of={{path/to/file_1GB}} bs={{1024}} count={{1000000}}`
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- Generate a system backup into an IMG file and show the progress:
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- Generate a system backup into an IMG file:
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`dd if=/dev/{{drive_device}} of={{path/to/file.img}} status=progress`
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`dd if={{/dev/drive_device}} of={{path/to/file.img}}`
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- Restore a drive from an IMG file and show the progress:
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- Restore a drive from an IMG file:
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`dd if={{path/to/file.img}} of=/dev/{{drive_device}} status=progress`
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`dd if={{path/to/file.img}} of={{/dev/drive_device}}`
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- Check progress of an ongoing dd operation (Run this command from another shell):
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- Check the progress of an ongoing dd operation (run this command from another shell):
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`kill -USR1 $(pgrep ^dd)`
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@ -0,0 +1,32 @@
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# dd
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> Convert and copy a file.
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> More information: <https://www.gnu.org/software/coreutils/dd>.
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- Make a bootable USB drive from an isohybrid file (such like `archlinux-xxx.iso`) and show the progress:
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`dd if={{path/to/file.iso}} of={{/dev/usb_drive}} status=progress`
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- Clone a drive to another drive with 4 MiB block, ignore error and show the progress:
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`dd if={{/dev/source_drive}} of={{/dev/dest_drive}} bs={{4M}} conv={{noerror}} status=progress`
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- Generate a file of 100 random bytes by using kernel random driver:
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`dd if=/dev/urandom of={{path/to/random_file}} bs={{100}} count={{1}}`
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- Benchmark the write performance of a disk:
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`dd if=/dev/zero of={{path/to/file_1GB}} bs={{1024}} count={{1000000}}`
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- Generate a system backup into an IMG file and show the progress:
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`dd if={{/dev/drive_device}} of={{path/to/file.img}} status=progress`
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- Restore a drive from an IMG file and show the progress:
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`dd if={{path/to/file.img}} of={{/dev/drive_device}} status=progress`
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- Check the progress of an ongoing dd operation (run this command from another shell):
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`kill -USR1 $(pgrep ^dd)`
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@ -1,20 +1,32 @@
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# dd
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> Convert and copy a file.
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> More information: <https://ss64.com/osx/dd.html>.
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> More information: <https://keith.github.io/xcode-man-pages/dd.1.html>.
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- Make a bootable USB drive from an isohybrid file (such like `archlinux-xxx.iso`):
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- Make a bootable USB drive from an isohybrid file (such like `archlinux-xxx.iso`) and show the progress:
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`dd if={{file.iso}} of=/dev/{{usb_drive}}`
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`dd if={{path/to/file.iso}} of={{/dev/usb_drive}} status=progress`
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- Clone a drive to another drive with 4 MB block and ignore error:
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- Clone a drive to another drive with 4 MB block, ignore error and show the progress:
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`dd if=/dev/{{source_drive}} of=/dev/{{dest_drive}} bs=4m conv=noerror`
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`dd if={{/dev/source_drive}} of={{/dev/dest_drive}} bs={{4m}} conv={{noerror}} status=progress`
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- Generate a file of 100 random bytes by using kernel random driver:
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`dd if=/dev/urandom of={{random_file}} bs=100 count=1`
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`dd if=/dev/urandom of={{path/to/random_file}} bs={{100}} count={{1}}`
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- Benchmark the write performance of a disk:
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`dd if=/dev/zero of={{file_1GB}} bs=1024 count=1000000`
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`dd if=/dev/zero of={{path/to/file_1GB}} bs={{1024}} count={{1000000}}`
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- Generate a system backup into an IMG file and show the progress:
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`dd if=/dev/{{drive_device}} of={{path/to/file.img}} status=progress`
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- Restore a drive from an IMG file and show the progress:
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`dd if={{path/to/file.img}} of={{/dev/drive_device}} status=progress`
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- Check the progress of an ongoing dd operation (run this command from another shell):
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`kill -USR1 $(pgrep ^dd)`
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