Groff, J. R., & Weinberg, P. N. (1988). Understanding UNIX: Conceptual guide. TECH Publications.
Chicago Edition CitationGroff, James R., and Paul N. Weinberg. Understanding UNIX: Conceptual Guide. Singapore: TECH Publications, 1988.
MLA Edition CitationGroff, James R., and Paul N. Weinberg. Understanding UNIX: Conceptual Guide. TECH Publications, 1988.
Warning: These citations may not always be 100% accurate.