e/Self mounting image

Information
has gloss	eng: A self mounting image is a disk image format, commonly found on the Macintosh platform, that is encapsulated in an application that mounts it as a file system. When downloaded from the Internet, they are often in a BIN, BinHex or StuffIt file. Despite being an application, they often have a .smi file extension. Disk Copy, the application commonly used to handle disk images in Mac OS was an optional program not part of the standard installation.
lexicalization	eng: Self mounting image
instance of	e/Disk image