It looks like you’re trying to locate or verify information about a macOS X El Capitan 10.11.1 image ISO file.
An ISO file is an image file that is typically used to distribute and install software, including operating systems. If you're looking to work with a macOS El Capitan ISO file (perhaps to install it on a virtual machine or to create a bootable USB drive), here are some general steps: macosxelcapitan10111imageiso work
Mount the image and use the createinstallmedia tool from the app package. It looks like you’re trying to locate or
dd or Etcher to write the ISO to a USB drive (8 GB+).Are you trying to install this on a physical Mac or a Virtual Machine (like VirtualBox)? I can give you specific settings for either. Use dd or Etcher to write the ISO to a USB drive (8 GB+)