It saves to /System/Library/Core Services/Recovery/private/seed.rdr .
An .rdr file is a proprietary disk image format created by R-Drive Image. Unlike standard Apple disk images, an .rdr file contains a byte-by-byte copy of a storage device. This makes it a popular choice for users looking to "restore" a fully functional macOS environment onto a hard drive or a virtual machine (like VMware or VirtualBox) without going through the standard installation process. Why macOS High Sierra 10.13.5?
Why you should avoid macOS .rdr files from untrusted sources:
If you need a reliable installation file, it is recommended to use official Apple methods to obtain a .dmg or .app file: download macos high sierra 10.13.5 image file -.rdr-
Once complete, your USB drive becomes a bootable macOS High Sierra installer. How to Boot and Install macOS High Sierra 10.13.5
When downloading operating system deployments, the file extension dictates how the file must be handled.
(Note: Apple generally provisions the final point release, 10.13.6, which includes all critical security patches omitted in 10.13.5). This makes it a popular choice for users
Transitions flash and SSD-based storage architectures to an optimized system featuring crash protection, strong native encryption, and faster directory sizing.
Install macOS High Sierra 10.13.5(17F77)OC 0.8.5 Clover5119 winPE三引导恢复版.rdr .
A file with the extension is a sector-by-sector disk image created using R-Drive Image (a tool developed by R-Tools Technology ). How to Boot and Install macOS High Sierra 10
Are you installing this on a or a virtual machine ?
The .rdr file extension for macOS images is not an official Apple format. It is a proprietary disk image format developed by and is primarily used with their software, R-Drive Image .
You hit Enter.
Adds native structural support for High-Efficiency Video Coding (H.265), providing up to 40% better data compression for 4K video files without degrading quality.