JMD-Jamaican Dollar. Jamaica, Dollar. The Jamaican Dollar is the currency of Jamaica. Our currency rankings show that the most popular Jamaica Dollar exchange rate is the USD to JMD rate. The currency code for Dollars is JMD, and the currency symbol is J$.
Full Definition of JETSAM. 1. : the part of a ship, its equipment, or its cargo that is cast overboard to lighten the load in time of distress and that sinks or is washed ashore.
About the Tutorial. VSAM stands for Virtual Storage Access Method. VSAM is a file storage access method. used in MVS, ZOS and OS/390 operating systems. It was introduced by IBM in 1970's. It. is a high performance access method used to organize data in form of files in Mainframes. VSAM is used by COBOL and CICS in Mainframes to store and retrieve data.