Beginning Unix

Beginning Unix; About the Authors; Credits; Contents; Acknowledgments; Introduction; Who Is This Book For?; What Does This Book Cover?; How This Book Is Structured; What Do You Need to Use This Book?; Conventions; Source Code; Errata; Chapter 1: Unix Fundamentals; Brief History; Unix Versions; Operating System Components; Summary; Chapter 2: First Steps; System Startup; Logging In and Out of Unix; System Shutdown; Getting Help with Man Pages; Summary; Chapter 3: Understanding Users and Groups; Account Basics; Managing Users and Groups; Managing Accounts and Groups; Becoming Another User

User-and Group-Related CommandsSummary; Exercises; Chapter 4: File System Concepts; File System Basics; Paths and Case; Navigating the File System; File Types; Links; File and Directory Permissions; Changing Permissions; Viewing Files; Creating, Modifying, and Removing Files; Basic File System Management; Making File Systems Accessible; Summary; Exercise; Chapter 5: Customize Your Working Environment; Environment Variables; Understanding the Path; Choosing a Shell; Configuring Your Shell; Dynamic Shared Library Paths; Summary; Exercises; Chapter 6: Unix Commands In-Depth; Anatomy of a Command

Finding Information about CommandsCommand Modification; Working with Files and Directories; Common File Manipulation Commands; File Ownership and Permissions; Maintaining File System Quotas; Summary; Exercise; Chapter 7: Editing Files with Vi; Using Vi; Moving within a File; Searching Files; Exiting and Saving a File; Editing Files; Help!; Versions of Vi; Summary; Exercises; Chapter 8: Advanced Tools; Regular Expressions and Metacharacters; Using SFTP and FTP; More Advanced Commands; Summary; Exercises; Chapter 9: Advanced Unix Commands: Sed and AWK; Sed; AWK; Programming with AWK; Summary

ExercisesChapter 10: Job Control and Process Management; What Is a Process?; Shell Scripts; What Processes Are Running?; System Processes; Process Attributes; Stopping Processes; The top Command; The /proc File System; SETUID and SETGID; Shell Job Control; Summary; Chapter 11: Running Programs at Specified Times; System Clock; Scheduling Commands to Run in the Future; Summary; Exercise; Chapter 12: Security; The Basics of Good Security; Securing Your Unix System; Limiting Administrative Access; System Administration Preventive Tasks; Summary; Exercise; Chapter 13: Basic Shell Scripting

Commenting and Documenting ScriptsGetting Down to It; Flow Control; Choosing a Shell for Scripting; Summary; Exercises; Chapter 14: Advanced Shell Scripting; Advanced Scripting Concepts; Shell Functions; Shell Security; System Administration; Summary; Exercises; Chapter 15: System Logging; Log Files; Introducing Syslogd; Rotating Logs; Monitoring System Logs; Summary; Exercises; Chapter 16: Unix Networking; TCP/IP; Setting Up a Unix System for a TCP/IP Network; Network Management Tools; Summary; Exercise; Chapter 17: Perl Programming for Unix Automation; Perl's Advantages