Mastering Regular Expressions124 reviews Jeffrey Friedl O'Reilly Media, Inc., 2006 Great book, but little Ruby + Best material I have seen on regular expressions + Very in-depth This book is great if you want to learn about what you can do with regex, how they work, how you can improve them (efficiency & accuracy) and what kind of pitfalls there are. My only gripe is about the Ruby reference on the cover. In the top right corner it says: "For Perl, PHP, Java, .NET, Ruby ...             Classic Shell Scripting11 reviews Arnold Robbins, Nelson H.F. Beebe O'Reilly Media, Inc., 2005 Practical and useful + Excellent book to learn the basics + A good intro on Unix shell scripting and the problems it solves + Nice overview of Bourne/sh scripting + Okay             AIX 5L Administration11 reviews Randal K. Michael McGraw-Hill Osborne Media, 2002 AIX 5L Administration + Great Technical Book + Excellent coverage, well written The book presents an excellent systematic presentation of AIX administration. It is written in a refreshing style that is not found in typical AIX documentation.             Essential System Administration, Third Edition76 reviews Æleen Frisch O'Reilly Media, Inc., 2002 Great Overview + Good Book... + Handy for the mixed-platform sysadmin + Good writer. Easy to understand.             Classic Shell Scripting11 reviews Arnold Robbins, Nelson H.F. Beebe O'Reilly Media, Inc., 2005 Practical and useful + Excellent book to learn the basics + A good intro on Unix shell scripting and the problems it solves + Nice overview of Bourne/sh scripting + Okay             AIX 5L Administration11 reviews Randal K. Michael McGraw-Hill Osborne Media, 2002 AIX 5L Administration + Great Technical Book + Excellent coverage, well written The book presents an excellent systematic presentation of AIX administration. It is written in a refreshing style that is not found in typical AIX documentation.             Mastering Regular Expressions124 reviews Jeffrey Friedl O'Reilly Media, Inc., 2006 Great book, but little Ruby + Best material I have seen on regular expressions + Very in-depth This book is great if you want to learn about what you can do with regex, how they work, how you can improve them (efficiency & accuracy) and what kind of pitfalls there are. My only gripe is about the Ruby reference on the cover. In the top right corner it says: "For Perl, PHP, Java, .NET, Ruby ...             Essential System Administration, Third Edition76 reviews Æleen Frisch O'Reilly Media, Inc., 2002 Great Overview + Good Book... + Handy for the mixed-platform sysadmin + Good writer. Easy to understand.