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| Introduction | |
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| UNIX Background | |
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| The POSIX | |
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| 2 Standard | |
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| How to Use This Book | |
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| Typographical Conventions | |
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| Syntactic Conventions | |
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| Getting Started | |
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| Concepts | |
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| The UNIX Manual | |
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| System Administration and the Superuser | |
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| Users and Groups | |
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| What the Shell Does | |
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| The UNIX Kernel | |
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| Processes | |
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| The UNIX File System | |
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| File Permissions | |
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| Conventions for Using Files | |
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| Standard Files and Redirection | |
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| Other Facilities for Interprocess Communication | |
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| UNIX Commands | |
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| Local Variables | |
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| Initialization Files | |
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| Terminal Descriptions | |
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| Locales, Code Sets, and Internationalization | |
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| Regular Expressions | |
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| Devices | |
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| Operations on Files | |
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| Operations on Directories | |
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| Listing Files with ls | |
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| Displaying and Concatenating Files with cat | |
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| Linking, Moving, and Copying Files with ln, mv, and cp | |
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| Removing Files | |
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| Examining Files or Output with a Pager | |
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| Printing Files | |
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| Finding Files with find | |
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| Locating, Classifying, and Checking Files | |
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| Comparing Files | |
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| Controlling File Access and Ownership | |
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| Miscellaneous File Utilities | |
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| Data Compression and Encoding | |
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| Archiving Sets of Files | |
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| Examining Files with od | |
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| Copying and Converting Data with dd | |
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| Updating Files with patch | |
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| Creating Special Files | |
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| Data Manipulation Using Filters | |
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| Sorting Files with sort | |
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| Finding Patterns with grep | |
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| Simple Data Transformations | |
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| Extracting Parts of Files | |
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| Combining Files | |
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| Using sed to Edit from a Script | |
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| The awk Programming Language | |
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| Other Data Manipulation Languages | |
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| Utility Programs | |
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| Information Services | |
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| Reporting on the Status of Processes | |
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| Managing Processes | |
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| Commands Related to Logging In | |
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| Controlling Your Terminal | |
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| On-Line Communication with Other Users | |
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| Disk Usage Statistics | |
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| Writing and Reading Strings | |
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| Evaluating Expressions | |
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| Special Invocation of Commands | |
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| Querying Your UNIX Environment | |
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| Miscellaneous Services | |
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| Producing Locale Information and Defining a Locale | |
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| Document Processing | |
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| Version Control | |
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| The Korn and POSIX Shells | |
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| Overview of the KornShell | |
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| Interacting with the Shell | |
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| Editing an Input Line | |
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| Calling the Shell Directly | |
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| Shell Scripts | |
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| Syntax of Shell Input | |
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| Patterns | |
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| Simple Commands | |
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| Linking Commands with Operators | |
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| Redirection | |
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| Here-Documents | |
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| The test, true, and false Commands | |
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| Compound Commands | |
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| How Commands Are Executed | |
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| Parameters | |
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| Parameter Expansions | |
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| Quotation | |
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| Substitutions | |
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| Aliases | |
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| Commands for Job Control | |
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| The Command History and the fc Command | |
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| Intrinsic Commands and Predefined Aliases | |
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| Predefined Variables Used by the Shell | |
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| Execution Options | |
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| Initialization Files for the Shell | |
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| Parsing Command Lines with getopts | |
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| A Sample Shell Script | |
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| Other Shells | |
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| The C Shell csh | |
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| Bash, the "Bourne-again Shell." | |
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| Standard Editors | |