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Shell scripting skills never go out of style. It's the shell that unlocks the real potential of Unix. Shell scripting is essential for Unix users and system administrators-a way to quickly harness and customize the full power of any Unix system. With shell scripts, you can combine the fundamental Unix text and file processing commands to crunch data and automate repetitive tasks. But beneath this simple promise lies a treacherous ocean of variations in Unix commands and standards. "Classic Shell Scripting" is written to help you reliably navigate these tricky waters.

Writing shell scripts requires more than just a knowledge of the shell language, it also requires familiarity with the individual Unix programs: why each one is there, how to use them by themselves, and in combination with the other programs. The authors are intimately familiar with the tips and tricks that can be used to create excellent scripts, as well as the traps that can make your best effort a bad shell script. With "Classic Shell Scripting" you'll avoid hours of wasted effort. You'll learn not only write useful shell scripts, but how to do it properly and portably.

The ability to program and customize the shell quickly, reliably, and portably to get the best out of any individual system is an important skill for anyone operating and maintaining Unix or Linux systems. "Classic Shell Scripting" gives you everything you need to master these essential skills.

Cyprea Testudinaria Cowrie Seashell This beautiful Cyprea Testudinaria shell is sure to get lots of attention. It's distinct mocha brown markings on the exterior of these beautiful shells have been polished to perfection. Each large shell measures 4 to 5+ inches long! Perfect for that shabby chic beach house decor, each shell is gem quality! Each Cyprea Testudinatri Shell is only $8.99!!! What a perfect gift for yourself, or anyone who marvels at the true beauty of natural seashells from the ocean. Anyone who lives by the shore, or those that dream they do, would treaure this Cyprea Testudinaria Seashell. I grew up on an island, and have grown to appreciate the true beauty that nature has to offer. You won't be dissapointed by this shell! Please allow for slight natural variations, as each seashell is a unique product of nature. Seashells sold individually.

Nvie's Shell Earrings are made from very high quality seawater oyster shells. The earrings are designer styled but completely handmade by artisans from North India. The colors are very lustrous, which means they will go well with not only the whites and the blacks but also with other vibrant dresses you may have. 'Affordable elegance' is what we believe in and these beautiful earrings at our prices are a reflection of our belief in that philosophy. Buy carefree with our 'No Questions Asked' returns policy. We know you will come for more once you try us. These necklaces make great gifts for yourself and for your near ones. Now you do not have to be a Paris Hilton or Lindsay Lohan to set fashion trends. You are your own trend setter. Nvie Designs supports "Street to School" Project:: 5% of our profits on every order will go to support education for under previleged children in Calcutta - India.

6-to-a-pack red/green/black shot shells - 2 pcs per color Holds up to 30 BBs each For multi-shot shotguns

Provides a complete, step by step guide to three essential UNIX shells--C, Bourne, and Korn--and three essential UNIX shell programming utilities-Awk, Sed, and Grep. Presents parallel coverage of all three shells, so it's easy to see how they compare--and when to use each. Softcover. CD-ROM included. DLC: UNIX (Computer file).

The second edition of Unix Shells by Examples shows off basic commands and utilities in the three most popular Unix shells--C, Bourne, and Korn--with side-by-side examples. The new edition of this book is sure to be a worthy reference for Unix programmers for getting around their favorite shell.

The best thing in this new edition is that the author presents short, effective examples of using basic commands and utilities for each of the three major Unix shells. This comparative approach means that you can use this book on different flavors of Unix and even migrate scripts between different shells. For each shell, the author provides fundamentals, like accessing profiles, command-line histories, and shell programming. "Lab sections" let you develop your skills with short, hands-on exercises for each shell. As in the earlier edition, the author's short examples show you how to perform basic tasks quickly with common switches and options.

Other sections here cover three major Unix utilities: grep (for searching), sed (for editing), and awk (for scripting and reporting). (The reference and tutorial on AWK programming is a notable feature here. There is also good coverage of regular expressions.)

Instead of hunting down information in countless man pages, this book will save you valuable time every day with its efficient format and comparative approach--truly useful features for the beginning and intermediate Unix user. --Richard Dragan

Topics covered: C, Bourne, and Korn Unix shells; grep, sed, and awk utilities; regular expressions; and shell programming.

Clean natural sea shells in a wide variety of sizes, shapes and colors. Perfect accent for candle making, nautical decor, ornaments, floral and wreath making.

This necklace is a knockout! Made in Bali by independent artisan Mohammad Ali (not that one) and distributed by MitraBali, an organization that promotes eco-friendly handcrafts, community development and local re-forestation. Now this is a knockout that helps people onto their feet.


Original Good provides shoppers with a unique global shopping experience at their doorstep. The company offers access to beautiful, stylish and uniquely handcrafted gifts and accessories from artisan communities in over 30 developing countries across the world all under the Fair Trade umbrella. The companys line includes bags, books and stationery, housewares, jewelry, scarves and shawls, yoga accessories, and small gifts. World of Good Inc. donates 10% of its profits to World of Good Inc.: Development Organization, a 501(c)3 non-profit that is focused on building strategies to substantially improve socio-economic conditions for millions of artisans and their families. The organization also works to educate US consumers and corporations about the benefits of engaging in ethical trade practices to bridge the gap between the global north and south.