CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created in 1974 for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc. Initially confined to single-tasking on 8-bit processors and no more than 64 kilobytes of memory, later versions of CP/M added multi-user …

CP/M-86 was a version of the CP/M operating system that Digital Research (DR) made for the Intel 8086 and Intel 8088.The system commands are the same as in CP/M-80. Executable files used the relocatable .CMD file format. Digital Research also produced a multi-user multitasking operating system compatible with CP/M-86, MP/M-86, which later evolved into Concurrent …

Historia. El acrónimo BIOS fue inventado por Gary Kildall [6] y apareció por primera vez en 1975 en el sistema operativo CP/M [3] [4] [7] [8] describiendo la parte específica de la máquina del CP/M cargado durante el arranque que interactúa directamente con el hardware [4] (por lo general, una máquina de CP/M solo tiene un simple arranque en su ROM).