Groff, J. R., & Weiberg, P. N. (1983). Understanding <UNIX>: A conceptual guide. IBT.
Chicago Edition CitationGroff, James R., and Paul N. Weiberg. Understanding <UNIX>: A Conceptual Guide. Delhi: IBT, 1983.
Deismireacht MLAGroff, James R., and Paul N. Weiberg. Understanding <UNIX>: A Conceptual Guide. IBT, 1983.
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