cdr file extension.ĭisk Utility creates the disk image file where you saved it in the Finder and mounts its disk icon on your desktop and in the Finder sidebar. dmg file extension.ĭVD/CD master: Changes the size of the image to 177 MB (CD 8 cm). Read/write disk image: Allows you to add files to the disk image after it’s created. Sparse disk image: Creates an expandable file that shrinks and grows as needed. Sparse bundle disk image: Same as a sparse disk image (below), but the directory data for the image is stored differently. To encrypt the disk image, click the Encryption pop-up menu, then choose an encryption option.Ĭlick the Partitions pop-up menu, then choose a partition layout.Ĭlick the Image Format pop-up menu, then choose an option:
#Mac os burn iso image mac#
If the disk image will be used with a Mac or Windows computer and is 32 GB or less, choose MS-DOS (FAT) if it’s over 32 GB, choose ExFAT.
#Mac os burn iso image mac os#
If the disk image will be used with a Mac with macOS 10.12 or earlier, choose Mac OS Extended (Journaled) or Mac OS Extended (Case-sensitive, Journaled). If the disk image will be used with a Mac that has a solid state drive (SSD) and uses macOS 10.13 or later, choose APFS or APFS (Case-sensitive). In the Size field, enter a size for the disk image.Ĭlick the Format pop-up menu, then choose the format for the disk: This is the name that appears on your desktop and in the Finder sidebar, after you open the disk image. In the Name field, enter the name for the disk image. This is the name that appears in the Finder, where you save the disk image file before opening it. In the Disk Utility app on your Mac, choose File > New Image > Blank Image.Įnter a filename for the disk image, add tags if necessary, then choose where to save it. # sudo dd if=/path/to/ can create an empty disk image, add data to it, then use it to create disks, CDs, or DVDs. Then burn the image file to USB stick using dd: $ sudo dd if=/path/to/ of=/dev/rdisk2 bs=1m Unmount it before burning, otherwise dd command will complain the stick is busy. I assume that the device node of USB stick is: /dev/disk2. The output was something like this: /dev/disk2 The solution is using Linux dd command instead of Disk Utility GUI.Ĭhecking the mounted point of USB stick: $ diskutil list img file using Disk Utility, but the burning still failed with "Could not validate source" error. dmg ending to the output file automatically.) $ hdiutil convert -format UDRW -o /path/to/dest.img /path/to/original.iso
#Mac os burn iso image iso#
ROCo - NDIF compressed image (deprecated)įirstly I attempted to convert the ISO file to a UDRW image file, a kind of UDIF format. Rdxx - NDIF read-only image (Disk Copy 6.3.3 format) RdWr - NDIF read/write image (deprecated) UDSB - SPARSEBUNDLE (grows with content bundle-backed) UFBI - UDIF entire image with MD5 checksum UDBZ - UDIF bzip2-compressed image (Mac OS X 10.4+ Disk Utility expects Apple Disk Image, including the Universal Disk Image Format (UDIF) and the New Disk Image Format (NDIF), while the format of ISO image file is ISO9660.įollowing is a list of Apple disk image formats, according to man page of hdiutil command: UDRW - UDIF read/write image But Disk Utility failed to burn and give me an error: "Restore Failure Could not validate source - invalid Argument".Īfter googling the issue, I found that the error is caused by incompatible image file formats. I was trying to burn an ISO image file to my USB stick by Mac OS Disk Utility. Fix "Could not validate source" error when trying to burn ISO file to USB stick.