Mastering UNIX Shell Scripting - 2nd Edition by Randal K Michael (Paperback)

About the Book

The author starts with an example task, presents proper command syntax, and then analyzes the performance gain or loss using various control structure tech-niques. Topics covered include: UNIX and shell scripting basics; and automation of communications (event notification, network communications, monitoring, remote systems, error notification, pop up end-user alerts.

Book Synopsis

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.

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.