Emt for Windows 4.36

Disk imaging is used to send disks data through a network (Internet for example) with ability to rebuild an identical disk on the target site. In this document diskette and removable disks are named “disks”. The ARDI software program family provides several methods for doing this. The charts below show some examples. (There are other programs in the ARDI software). There are several Disk image file formats used. EMTcopy format provides transport of copy protected disks when used in conjunction of IBM confidential program. It includes a fixed format disk label , a 16 bit check sum and a light compression. DSK (loaddsk) is a simple disk image with added free format label and simple 32 bit check sum. Data compression is available. MIF IBM corporate general purpose data transmission format. A subset is used to pack disk sectors with 72 characters per line label, and simple 16 bit check sum. IMG Simple disk image without any additional data, without compression, without check sum. ARDI (Auto (self) restorable disk image) including free format disk label, free format message to user and free format technical data record, 32 bit check-sum, data compression and password protection.