Unisys was formed from the merger of two companies in 1986: Burroughs and Sperry. The name is derived from three words—united, information, and systems. While the original intention was to unify the two operating systems, they still exist today as separate operating systems. Each of the merged companies had a line of mainframes, and these separate types of systems still exist today after over 30 years. Libra is the new name for the Burroughs product line, and Dorado is the new name for the Sperry line.
As these are different types of mainframes than IBM, we will look at them separately for modernizing to Azure.
Unlike IBM with the Z-series systems, Unisys has taken a different approach to modernizing its mainframe customers. It has created a hardware emulator that runs on x86 platforms for both the Burroughs and Sperry systems. The collective product name for this offering is ClearPath Forward. There is ClearPath Forward for the Burroughs system, Libra, and ClearPath...