What is Mainframe?
A mainframe is a computing system that businesses use to host the commercial database,transaction servers, and application that require a greater degree of security and availability than is commonly found on smaller-scale machines.
RAS-- reliability, availabilty, serviceability
Two major uses: Batch Job and Online (real time) Transaction
What kinds of OS can running in the mainframe?
Z/OS , Z/VM, VSE , Linux for zSeries, Z/TPF
本文介绍了大型机的概念及其在商业数据库、交易服务器及应用中的重要作用。强调了大型机在安全性与可用性方面相较于小型计算机的优势,并列举了其主要用途:批处理作业与在线实时交易。此外,还列出了几种可在大型机上运行的操作系统。
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