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A Bit of History

The shells in this book are grouped into two main families, the Bourne shell family, and the C shell family. Since we have already covered the Bourne shell, it would thus be a logical step to examine the C shell next to outline the other major family.

The C shell was developed by Bill Joy, the creator of the vi text editor, at the University of California, Berkeley. He improved on the Bourne shell in many areas by adding some new features, and altering some of the original features. He based parts of the syntax on the C programming language, but the C shell and C programming languages are two very different entities.

Douglas M Gingrich
Mon Apr 27 15:25:49 MDT 1998