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.md

pages/common/dd.md

@@ -3,30 +3,30 @@
 > 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 like `archlinux-xxx.iso`):
 
-`dd if={{file.iso}} of=/dev/{{usb_drive}} status=progress`
+`dd if={{path/to/file.iso}} of=/dev/{{usb_drive}}`
 
-- Clone a drive to another drive with 4 MiB block, ignore error and show progress:
+- Clone a drive to another drive with 4 MiB block and ignore error:
 
-`dd if=/dev/{{source_drive}} of=/dev/{{dest_drive}} bs=4M conv=noerror status=progress`
+`dd if=/dev/{{source_drive}} of=/dev/{{dest_drive}} bs={{4194304}} conv={{noerror}}`
 
 - Generate a file of 100 random bytes by using kernel random driver:
 
-`dd if=/dev/urandom of={{random_file}} bs=100 count=1`
+`dd if=/dev/urandom of={{path/to/random_file}} bs={{100}} count={{1}}`
 
 - Benchmark the write performance of a disk:
 
-`dd if=/dev/zero of={{file_1GB}} bs=1024 count=1000000`
+`dd if=/dev/zero of={{path/to/file_1GB}} bs={{1024}} count={{1000000}}`
 
-- Generate a system backup into an IMG file and show the progress:
+- Generate a system backup into an IMG file:
 
-`dd if=/dev/{{drive_device}} of={{path/to/file.img}} status=progress`
+`dd if={{/dev/drive_device}} of={{path/to/file.img}}`
 
-- Restore a drive from an IMG file and show the progress:
+- Restore a drive from an IMG file:
 
-`dd if={{path/to/file.img}} of=/dev/{{drive_device}} status=progress`
+`dd if={{path/to/file.img}} of={{/dev/drive_device}}`
 
-- Check progress of an ongoing dd operation (Run this command from another shell):
+- Check the progress of an ongoing dd operation (run this command from another shell):
 
 `kill -USR1 $(pgrep ^dd)`