UNIX expert Randal K. Michael guides you through every detail of writing shell scripts to automate specific tasks. Each chapter begins with a typical, everyday UNIX challenge, then shows you how to take basic syntax and turn it into a shell scripting solution. Covering Bash, Bourne, and Korn shell scripting, this updated edition provides complete shell scripts plus detailed descriptions of each part. UNIX programmers and system administrators can tailor these to build tools that monitor for specific system events and situations, building solid UNIX shell scripting skills to solve real-world system administration problems.
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From the Back Cover
Learn to create shell scripts to solve real-world UNIX problems
Get ready to take on the UNIX world! UNIX expert Randal K. Michael guides you through every detail of writing shell scripts to automate specific tasks. Each chapter begins with a typical, everyday UNIX challenge, and then shows you how to take basic syntax and turn it into a shell scripting solution. Throughout the book, you'll also find complete shell scripts plus detailed descriptions of each part. You'll be able to modify this information to build tools that monitor for specific system events and situations, building the skills to solve real-world system administration problems.
Make the most of Bash, Bourne, and Korn shells
Execute the proper commands for eachUNIX flavor
Define the correct command syntax to meet a specific shell scripting goal
Filter the commands' output to strip out unneeded data
Build options into the shell script to give the end user more flexibility on the command line
Replicate data using rsync
Create snapshot-style backups using Dirvish
Work with records files to parse data
Prepare for government audits using specific commands
About the Author
Randal K. Michael is a UNIX Systems Administrator working as a contract consultant. He teaches UNIX shell scripting in corporate settings, where he writes shell scripts to address a variety of problems and tasks ranging from monitoring systems to replicating large databases. He has more than 30 years of experience in the industry and 15 years of experience as a UNIX Systems Administrator, working on AIX, HP-UX, Linux, OpenBSD, and Solaris.
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Most Helpful Customer Reviews
79 of 88 people found the following review helpful:
3.0 out of 5 stars
Exclusively KORN shell,
By Stephen Doonan "music, art and linux enthusiast" (Portales, NM United States) - See all my reviews (REAL NAME)
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This review is from: Mastering Unix Shell Scripting (Paperback)
If you are interested in Bourne or Bash shell programming, be aware that this book focuses exclusively on the Korn shell (ksh or "ksh93"). The Korn shell is a superset of the Bourne shell, but if you want to write scripts for sh (Bourne) or bash, another book might be more appropriate.
15 of 15 people found the following review helpful:
4.0 out of 5 stars
A must-have for all levels of *nix users.,
By Bindlestiff (rixtertech.com) - See all my reviews
Amazon Verified Purchase(What's this?)
This review is from: Mastering Unix Shell Scripting (Paperback)
The breadth of real-world examples make the difference between this book and most reference texts. It's true that it's written for korn, but I've had little trouble adapting for Bash; many of the scripts run almost unchanged and the ones that don't provide a useful opportunity for exercise in adaptation. The authors prose is clear. His attitude is a bit challenging; he says early on that that his intention is to teach you how to -solve problems- by shell scripting, NOT to present a ream of canned solutions. This is NOT a reference text for any particular shell, you'll still need plenty of O'Reilly books, a web browser & etc.
This book has enabled me to write a major project using scripting as the glue to hold together a hefty mass of file-moving daemons, fax/paging engines, python UI code, PostGreSQL database engine, networking/email, SSH, and Expect scripts on a Gnu Linux platform. I absolutely could not have done it without this book and I'm very grateful to Mr Michael for his work. If a later edition could more closely serve the needs of the masses by presenting more Bash examples and maybe throwing in a CD it would be a 5-star text.
17 of 18 people found the following review helpful:
4.0 out of 5 stars
The best in the shelf,
By Sanjoy Basu (Northglenn, CO United States) - See all my reviews
This review is from: Mastering Unix Shell Scripting (Paperback)
Mastering UNIX Shell Scripting is a must for all Unix Administrator. The beauty of this book is it teaches shell script with practical examples which are required in day to day life of a System Admin. Unlike many shell scripting book it just not talks about syntax but also explains whats happening behind the curtain.Inspite of all praises the reason for giving 4 stars is due to the fact that its not meant for beginners. For serious shell script writers this book deserve 5 star rating
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Inside This Book
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Key Phrases - Statistically Improbable Phrases (SIPs):
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press enter, automating interactive programs, swap space free, user alias, network device driver, blade chassis, volume group, operations team, full filesystem, logical volume manager, more filenames, data link control, multiprotocol adapter, system planar, parallel port adapter, solaris system, rsync sessions, restore standard output, building file list, ksh shell script, associate standard output, typeset command, booboo size, root cron table, use nawk Key Phrases - Capitalized Phrases (CAPs): (learn more)
Randy Michael, Checking File, The Basics of Shell Scripting, Efficiently Replicate Data, Checking Remote File, Using Dirvish, File Line-by-Line, Create Snapshot-Type Backups, Print-Queue Hell, Processes Running, Lab Assignments, System-Configuration Snapshot, Monitoring System Load, Swap Space Used, Device Specific, Creating Pseudo-Random Passwords, Physical Disk Drive, Other Options, New Backup, Thu Oct, Upper Limit, Systems Administrator, Serial Port, Mon Jan, Automated Hosts Pinging Browse Sample Pages:
Front Cover | Table of Contents | First Pages | Index | Back Cover | Surprise Me!
press enter, automating interactive programs, swap space free, user alias, network device driver, blade chassis, volume group, operations team, full filesystem, logical volume manager, more filenames, data link control, multiprotocol adapter, system planar, parallel port adapter, solaris system, rsync sessions, restore standard output, building file list, ksh shell script, associate standard output, typeset command, booboo size, root cron table, use nawk Key Phrases - Capitalized Phrases (CAPs): (learn more)
Randy Michael, Checking File, The Basics of Shell Scripting, Efficiently Replicate Data, Checking Remote File, Using Dirvish, File Line-by-Line, Create Snapshot-Type Backups, Print-Queue Hell, Processes Running, Lab Assignments, System-Configuration Snapshot, Monitoring System Load, Swap Space Used, Device Specific, Creating Pseudo-Random Passwords, Physical Disk Drive, Other Options, New Backup, Thu Oct, Upper Limit, Systems Administrator, Serial Port, Mon Jan, Automated Hosts Pinging Browse Sample Pages:
Front Cover | Table of Contents | First Pages | Index | Back Cover | Surprise Me!
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