dd: update page (#12442)

* Added status=progress

for base usage

* condensed knowledge

* Added info

* Changed one use

* improved wording

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Improved wording

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Improved wording

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

* Swap link from gnu to posix

Co-authored-by: Vitor Henrique <87824454+vitorhcl@users.noreply.github.com>

* Revert 4M to numeric

* moved `if` and `of` to be the last arguments

* Updated linux equivalent of dd

* Removed `status=progress` from common

* improved spacing

Co-authored-by: Vitor Henrique <87824454+vitorhcl@users.noreply.github.com>

* replaced 100 with placeholder

Co-authored-by: Vitor Henrique <87824454+vitorhcl@users.noreply.github.com>

* replaced 100 with description

last commit was actually also this

Co-authored-by: Vitor Henrique <87824454+vitorhcl@users.noreply.github.com>

* Removed bad space

* removed bad space

* removed newline at end of file

---------

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>
Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
Co-authored-by: Vitor Henrique <87824454+vitorhcl@users.noreply.github.com>
pull/23/head
o0nd7ots 2024-03-03 21:00:11 +00:00 committed by GitHub
parent d0981685cf
commit a1c697bb1b
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 18 additions and 26 deletions

View File

@ -1,28 +1,24 @@
# dd
> Convert and copy a file.
> More information: <https://www.gnu.org/software/coreutils/dd>.
> More information: <https://manned.org/man/dd.1p>.
- Make a bootable USB drive from an isohybrid file (such like `archlinux-xxx.iso`):
- Make a bootable USB drive from an isohybrid file (such as `archlinux-xxx.iso`):
`dd if={{path/to/file.iso}} of=/dev/{{usb_drive}}`
- Clone a drive to another drive with 4 MiB block and ignore error:
- Clone a drive to another drive with 4 MiB block size and flush writes before the command terminates:
`dd if=/dev/{{source_drive}} of=/dev/{{dest_drive}} bs={{4194304}} conv={{noerror}}`
`dd bs={{4194304}} conv={{fsync}} if=/dev/{{source_drive}} of=/dev/{{dest_drive}}`
- Generate a file of 100 random bytes by using kernel random driver:
- Generate a file with a specific number of random bytes by using kernel random driver:
`dd if=/dev/urandom of={{path/to/random_file}} bs={{100}} count={{1}}`
`dd bs={{100}} count={{1}} if=/dev/urandom of={{path/to/random_file}}`
- Benchmark the write performance of a disk:
- Benchmark the sequential write performance of a disk:
`dd if=/dev/zero of={{path/to/file_1GB}} bs={{1024}} count={{1000000}}`
`dd bs={{1024}} count={{1000000}} if=/dev/zero of={{path/to/file_1GB}}`
- Generate a system backup into an IMG file:
- Create a system backup and save it into an IMG file (can be restored later by swapping `if` and `of`):
`dd if={{/dev/drive_device}} of={{path/to/file.img}}`
- Restore a drive from an IMG file:
`dd if={{path/to/file.img}} of={{/dev/drive_device}}`

View File

@ -3,29 +3,25 @@
> Convert and copy a file.
> More information: <https://www.gnu.org/software/coreutils/dd>.
- Make a bootable USB drive from an isohybrid file (such like `archlinux-xxx.iso`) and show the progress:
- Make a bootable USB drive from an isohybrid file (such as `archlinux-xxx.iso`) and show the progress:
`dd if={{path/to/file.iso}} of={{/dev/usb_drive}} status=progress`
`dd status=progress if={{path/to/file.iso}} of={{/dev/usb_drive}}`
- Clone a drive to another drive with 4 MiB block, ignore error and show the progress:
- Clone a drive to another drive with 4 MiB block size and flush writes before the command terminates:
`dd if={{/dev/source_drive}} of={{/dev/dest_drive}} bs={{4M}} conv={{noerror}} status=progress`
`dd bs={{4M}} conv={{fsync}} if={{/dev/source_drive}} of={{/dev/dest_drive}}`
- Generate a file of 100 random bytes by using kernel random driver:
- Generate a file with a specific number of random bytes by using kernel random driver:
`dd if=/dev/urandom of={{path/to/random_file}} bs={{100}} count={{1}}`
`dd bs={{100}} count={{1}} if=/dev/urandom of={{path/to/random_file}}`
- Benchmark the write performance of a disk:
`dd if=/dev/zero of={{path/to/file_1GB}} bs={{1024}} count={{1000000}}`
`dd bs={{1M}} count={{1000000}} if=/dev/zero of={{path/to/file_1GB}}`
- Generate a system backup into an IMG file and show the progress:
- Create a system backup and save it into an IMG file (can be restored later by swapping `if` and `of`):
`dd if={{/dev/drive_device}} of={{path/to/file.img}} status=progress`
- Restore a drive from an IMG file and show the progress:
`dd if={{path/to/file.img}} of={{/dev/drive_device}} status=progress`
`dd if={{/dev/drive_device}} of={{path/to/file.img}}`
- Check the progress of an ongoing dd operation (run this command from another shell):