: Use the createinstallmedia command in Terminal if you need to install on multiple Macs or perform a clean install.
hdiutil convert /tmp/BigSur.dmg -format UDZO -o ~/Desktop/macOS_Big_Sur_11.2.1.dmg Use code with caution. 7. Clean Up Temporary Files
Replacing corrupted system files.
The full macOS Big Sur installer is substantial, typically requiring at least (approximately 13GB for the installer file itself and another 35.5GB for the installation process). macOS Big Sur 11.2.1 is Out! - What's New?
Look for version 11.2.1 . If available in the current catalog stream, download it by executing: macos big sur 1121 installer dmg
InstallAssistant.pkg Version: macOS Big Sur 11.2.1 (20D74) Source: swcdn.apple.com
: Reinstall the operating system on multiple Macs without wasting bandwidth on repetitive multi-gigabyte downloads. : Use the createinstallmedia command in Terminal if
If your goal is to have a physical recovery tool rather than a virtualized DMG disk image, you can write the installer directly to a USB flash drive (minimum 16GB required). Plug your USB drive into your Mac.
Open and use the standard dd command or deployment tools like BalenaEtcher to flash the image. Clean Up Temporary Files Replacing corrupted system files
Open and format the USB drive as Mac OS Extended (Journaled) with a GUID Partition Map . Name the drive USB . Open Terminal and execute the deployment command:
Patched a major heap-based buffer overflow vulnerability in Sudo that could allow a local attacker to gain root privileges.