Products Review: A Practical Guide to UNIX for Mac OS X Users: This book is a great resource for anyone looking to learn more about the UNIX operating system and how it can be used on Mac OS X. The author provides clear explanations of key concepts, as well as step-by-step instructions for performing various tasks. Overall, this guide is very helpful for beginners who are just starting out with UNIX. M Is for (Data) Monkey: A Guide to the M Language in Excel Power Query: This book provides a comprehensive introduction to the M language and how it can be used in Excel Power Query. The author explains key concepts such as data modeling, querying, and visualization, and provides step-by-step instructions for performing various tasks. Overall, this guide is very helpful for anyone looking to learn more about using the M language in Excel Power Query. Mac OS X Internals: A Systems Approach: This book provides a detailed look at the inner workings of Mac OS X. The author covers topics such as system architecture, file systems, and networking protocols, and provides clear explanations of key concepts. Overall, this guide is very helpful for anyone looking to learn more about the underlying technology that powers Mac OS X. Linux Pocket Guide: Essential Commands: This book provides a concise overview of essential Linux commands. The author covers topics such as file management, user and group management, and system administration, and provides clear explanations of key concepts. Overall, this guide is very helpful for anyone looking to learn more about using the command line in Linux. The Mac OS X Command Line: Unix Under the Hood: This book provides a detailed look at the UNIX command line interface that underlies Mac OS X. The author covers topics such as file management, shell scripting, and system administration, and provides clear explanations of key concepts. Overall, this guide is very helpful for anyone looking to learn more about using the command line in Mac OS X. Healing the Wolf: Paranormal Security and Intelligence Ops Shadow Agents: Part of the Immortal Ops World (Shadow Agents / PSI-Ops Book 3): This book is a work of fiction that follows the adventures of a group of paranormal security agents as they fight to protect the world from supernatural threats. The author provides detailed descriptions of various magical and supernatural phenomena, as well as action-packed scenes of battles between good and evil forces. Overall, this book is very entertaining and will appeal to fans of urban fantasy and paranormal romance. Macintosh Terminal Pocket Guide: Take Command of Your Mac: This book provides a concise overview of the Macintosh Terminal interface. The author covers topics such as file management, shell scripting, and system administration, and provides clear explanations of key concepts. Overall, this guide is very helpful for anyone looking to learn more about using the command line in Mac OS X. Seagate Game Drive for PS4 Systems 2TB External Hard Drive Portable HDD – USB 3.0: This external hard drive is a great choice for gamers who need additional storage space for their PlayStation 4 console. The drive is portable and can be easily connected to the console via USB, making it easy to take your games on the go. Overall, this drive is very reliable and provides fast read/write speeds, making it well-suited for storing large game files. Officially Licensed Product (STGD2000100): This product is an officially licensed USB flash drive that can be used to install macOS El Capitan or High Sierra on a Macintosh computer. The drive comes with pre-installed software and instructions for performing the installation, making it easy to get started. Overall, this product is very reliable and provides fast read/write speeds, making it well-suited for installing operating systems. macOS El Capitan 10.11 USB Flash Drive - OS X Boot Install: This USB flash drive can be used to install macOS El Capitan on a Macintosh computer. The drive comes with pre-installed software and instructions for performing the installation, making it easy to get started. Overall, this product is very reliable and provides fast read/write speeds, making it well-suited for installing operating systems. macOS High Sierra 10.13 USB Flash Drive - OS X Boot Install: This USB flash drive can be used to install macOS High Sierra on a Macintosh computer. The drive comes with pre-installed software and instructions for performing the installation, making it easy to get started. Overall, this product is very reliable and provides fast read/write speeds, making it well-suited for installing operating systems. In conclusion, these products are all of high quality and provide great value for their respective categories. For anyone looking to learn more about UNIX or the command line in general, A Practical Guide to UNIX for Mac OS X Users and The Mac OS X Command Line: Unix Under the Hood are excellent resources. M Is for (Data) Monkey: A Guide to the M Language in Excel Power Query is a great introduction to using the M language in Excel Power Query, while Linux Pocket Guide: Essential Commands provides a concise overview of essential Linux commands. Healing the Wolf: Paranormal Security and Intelligence Ops Shadow Agents: Part of the Immortal Ops World (Shadow Agents / PSI-Ops Book 3) is an entertaining work of fiction that will appeal to fans of urban fantasy and paranormal romance. The Macintosh Terminal Pocket Guide: Take Command of Your Mac provides a concise overview of the Macintosh Terminal interface, while Seagate Game Drive for PS4 Systems 2TB External Hard Drive Portable HDD – USB 3.0 is a great choice for gamers who need additional storage space for their PlayStation 4 console.