You should now have an exact copy of the original USB. You can do this in MAC’s Disk utility by selecting the volume and clicking unmount.Īlso, in case it’s not obvious, you usually need a destination disk of equal or greater size. Next you run the command ‘dd ifsource oftarget convnotrunc’ mac1: rootuser dd if/dev/disk2 of/dev/disk1 convnotrunc. If you get an error about ‘Resource Busy’, then you need to unmount the usb volume without ejecting the disk. The dd tool is pre-installed on most Linux distributions. That is the dd tool in Linux, we can make a bootable ISO for any Linux operating system. If you don't want to use Dr.boot to burn Linux to USB, there is also another complicated way to burn Linux to USB. Mac1:~ rootuser$ dd if=/dev/disk2 of=/dev/disk1 conv=notruncĨ011120640 bytes transferred in 5378.573464 secs (1489451 bytes/sec)Īnd that’s it. Method 3: Burn Linux to USB using dd Command Prompt. Next you run the command ‘dd if=source of=target conv=notrunc’ *** MAKE SURE you know which disk is the original ***ĭouble check it too, because if you don’t specify the correct source and target, you can easily wipe your data disk. You could also plug in 1 usb, run the command, then the 2nd and run it again to be sure you identify the disks correctly. You can use dd command on mac OS to: ADVERTISEMENT Create new disk images from USB or SD card Write images to disk or USB or SD card You also need to use diskutil command manipulates the structure of local disks including listing and unmouting disks before you create or write images to disk. The original is 8Gb and the new, blank one is 16Gb. Here you see my hard drive as disk0, and the 2 usbs as disk1 and disk2.
#Using dd to copy iso to usb mac mac os x
So launch a terminal and start by listing the disks with the command ‘diskutil list’:Ģ: Apple_HFS Macintosh HD 159.2 GB disk0s2ģ: Apple_Boot Recovery HD 650.0 MB disk0s3Ģ: Apple_HFS Mac OS X Install 7.7 GB disk2s2 This process will work in both MAC and Linux.
So I was going to use dd to copy the disk.
#Using dd to copy iso to usb mac for mac
Connect your USB drive Right Click on your USB drive option in TransMac and select Format Disk for Mac After that, right-click the USB Drive and select Restore with Disk Image Point to your Mac OS. Download TransMac’s latest version for Windows from this link. I could have gone through the usual procedure from Apple for creating a USB installer but I wanted something easier since I already had a USB installer for Mountain Lion. Method 1: Using TransMac Burn Mac Os To Usb. I was asked to create a new USB installer for Mountain Lion for one of our techs. DMG is nothing but disc image file mostly used in Mac OS X operating system.