This new edition is packed with new and revised content, reflecting the many changes to new linux versions, including coverage of alternative shells to the default bash shell. For this edition, the author has teamed up with another linux expert with their shared expertise, they take you beyond the basics of shell scripting and guide you through using shell scripting for higher-level applications that are commonly found in linux environments. In addition, this edition features a host of real-world examples, so you can see how the scripts work in application. Part i: the linux command line. Starting with linux shells. Getting to the shell. Basic bash shell commands. More bash shell commands. Using linux environment variables. Understanding linux file permissions. Managing filesystems. Installing software. Working with editors. Part ii: shell scripting basics. Basic script building. Using structured commands. More structured commands. Handling user input. Presenting data. Script control. Part iii: advanced shell scripting. Creating functions. Writing scripts for graphical desktops. Introducing sed and gawk. Regular expressions. Advanced sed. Advanced gawk. Working with alternative shells. Part iv: advanced shell scripting topics. Using a database. Using the web. Using e-mail. Writing script utilities. Advanced shell scripts.
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