When your small business creates a bootable disk for its Mac computers from ISO disk images, there's a difference between an ISO file and the disk image it contains. If you burn the file to a blank ...

Macworld explains how to create a bootable USB macOS installer using the createinstallmedia Terminal command for system recovery and clean installations. This tool is ...

I'd prefer not to have an ISO image 55GB in size, I'd like it to be of just what i have installed which right now is about 900 MB. I tried to 'dd' it but it created a 55GB image (size of the hard ...

For reasons more archival than practical, I've decided it's time to make a one-time backup of all my old floppies. While I may not ever need to use them again, I'd like to make .iso copies of my ...