![]() This means Linux is typically run on mainframes in virtual environments through the use of z/VM. Linux wasn’t originally designed as a mainframe OS. Some of the primary factors to consider for deciding which is best for your organization’s goals are efficiency, compatibility, and staffing. There isn’t a clear-cut answer for which is always better however, there are aspects in which one has the edge over the other. Linux systems relative to one another, but is one truly better than the other? In short: no. Arguments can be made for the benefits of z/OS vs. This means IBM actively supports and endorses both Linux and z/OS for mainframes. One of IBM’s primary focuses with z/OS is to support backward compatibility with old hardware and software versions to ensure all that Big Iron that has already been bought and paid for remains relevant for as long as possible. IBM also continues to update and support their own proprietary OS known today as z/OS. IBM announced plans for the support of the Linux OS on their mainframe hardware at the turn of the 21st century and has continued to dedicate resources towards the popular open source platform. While IBM is practically the de facto manufacturer of mainframe hardware (popularly called Big Iron), the operating systems (OS) running on their machines isn’t necessarily their own. It wasn’t until the 1960’s that IBM came out with their first mainframe computer, which has been a flagship product of IBM ever since. During the early years of what was to become IBM, they mostly created punch card readers used for tabulating information like the 1890 US census. They began life as the Computing, Tabulating & Recording Company (C-T-R) when they were founded by Herman Hollerith in the late 1800s. IBM has produced various products throughout its long life as a provider of technological solutions for large enterprises. International Business Machine Corporation, better known as simply IBM, is practically synonymous with mainframes today. It’s quite clear that mainframes (and MIPS) won’t be going extinct in the near future, which is good news for many companies such as IBM. Furthermore, there are companies that continue to invest in their mainframe infrastructure or who plan to in the near future. However, many companies have already made that initial investment and are looking to capitalize on the hardware they have. Obviously, mainframes have a much higher initial investment requirement than cloud technology. After all, shouldn’t the advent of cloud computing herald the end for those bulky behemoths stored in the basement? The reality is that mainframes provide many of the same benefits that the cloud does, often with more control and security. It wasn’t long ago that Big Iron mainframes were thought to be going the way of dinosaurs.
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