Dennis Ritchie

C Programming Tutorial 1 – Getting Started

1.0 Introduction C is a procedural programming language invented by Dennis Ritchie in 1972. C is, possibly, the most widely used programming language in the last fifty years. There are some unique features of C. It is a small language; so it can be easily learnt. It can be used for almost all kinds of …

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The making of UNIX Operating System

THE EARLY DAYS CTSS Compatible Time-Sharing System, CTSS, was developed at MIT under Project MAC. It was one of the first time-sharing operating systems, demonstrated in 1961 and was in use till 1973. CTSS was used on IBM 7094 and was “compatible” with standard batch processing OS for 7094, the Fortran Monitoring System (FMS); it …

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