Operating systems

The Evolution of Operating Systems

  • Unix

    Prior to the invention of Unix in 1965, computers were big and came with an expensive price tag of well over $100,000. Computer programmers were tasked with taking their programs to “the counter” where an operator would pick them up, upload them and execute the code. The results would be returned within hours up to days. The developers of Unix Ken Thompson and Dennis Ritchie sought to make access to the computer simpler. In essence, Unix was conceived out of frustration. Convinced that they coul
  • Windows 95

    Windows 95 was a late comer to the OS scene when it came to true 32 bit operating systems. OS/2 Warp, Windows NT and Mac OS had all landed operating systems on the market capable of preemptive multitasking. What Windows 95 did do for the computer world is become the most popular operating system of its time selling over a million copies in the first four days on the market and pushed the resource limits of existing desktop computer systems. About a quarter of the people who installed Windows 95
  • Datalight ROM-DOS

    Technologically speaking the world was changing and the internet was the force at the center of these changes. 1994 saw the first operating system (Datalight) for mobile phones, but IBM’s Simon was simply not convenient enough to carry. As data became more accessible, it was just a matter of time before the evolution of the operating systems was to go mobile. Enter the PDA (Personal Digital Assistant.) A PDA was also known as handheld PC and soon began to become the preferred PC for individuals