Zip files compress your folders or files and save storage on your computer. They're also easier to send from device to device. Here's how to make one.

The "open" program is specific to OS X and lets you basically drag and drop a file with the -a command onto an application. This way it overrides the per-user OBJ open-with settings.

How to Create an ISO Using a Mac You can create an ISO file on your Mac using the tools Apple provides with macOS.