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Linux Essential Reference is a resource for system administrators and other professional Linux users. Clear, concise instructions for such administrative and managerial tasks as implementing frequently used commands, dealing with shell scripting, and utilizing effective security measures are presented in a carefully structured format, making this book an efficient source of answers to questions about working with Linux commands. Aware of the need in time-sensitive environments for quick access to accurate information, author Ed Petron has organized the contents of this book to make it fast and easy to use. And he has filled it with information not available in any other single volume-from programming to network configuration, user management to file management, text-processing utilities to kernel modules. Linux Essential Reference is the professional's guide to Linux expertise.
I. GENERAL USAGE.1. Shell Utilities.
II. ADMINISTRATION.8. User Management.
III. APPENDIXES.Appendix A: Regular Expressions.