Complex sentence: Concurrent DOS 3.2 (with BDOS 3.2) in 1984 was compatible with PC DOS 1.x and was available for many different hardware platforms, the version with an IBM PC compatible BIOS/XIOS was named Concurrent PC DOS 3.2.
Split into simpler sentences: Concurrent DOS 3.2 (with BDOS 3.2) in 1984 was compatible with PC DOS 1.x and was available for many different hardware platforms. The version with an IBM PC compatible BIOS/XIOS was named Concurrent PC DOS 3.2.