This book provides a comprehensive introduction to the UNIX operating system for users familiar with other operating systems. Written by a senior editor at UNIXWORLD magazine, it bridges the gap for those transitioning from mainframe or PC environments to UNIX, focusing on System V Release 3.2 while maintaining a generic approach applicable to various UNIX versions like Berkeley, SUN, SCO, and AIX.

This book is positioned as an accessible guide for individuals transitioning to the UNIX operating system from more familiar mainframe or PC environments. Its approach, grounded in System V Release 3.2 but generalized for broader applicability, suggests it aims to provide a solid foundational understanding of UNIX commands and utilities. The author's background as a senior editor at UNIXWORLD magazine indicates a level of expertise and insight into the practical needs of its target audience.