This fourth EDITION of UNIX Unbounded: A Beginning Approach provides a tutorial on the operating systems concept and the UNIX environment. It covers the necessary topics for any UNIX user to function indepENDently and perform most of the everyday, routine tasks. It also provides a firm foundation for exploring more advanced topics. Commands from the Linux operating system and its Bourne Again shell are also included. The following features distinguish this book: bull; bull;Step-by-step practice examples bull;Terminal exercises bull;Screen simulationsAfzal, Amir is the author of 'Unix Unbounded A Beginning Approach', published 0014 under ISBN 9780130927361 and ISBN 0130927368.