Preface

Shell scripts are an essential part of any modern operating system, such as Unix, Linux, or Windows. The scripting language and its syntax may vary from OS to OS, but the fundamental principles remain the same. I first encountered Linux shell scripts during the development of embedded Linux product development. Shell scripts initialized the complete product, from basic booting procedure to the user logging, to the complete operating system being initialized. Another situation was automation of regular activities such as build and release management of the source codes of very complex products, where more than 10,000 files were part of the single project. Similarly, another very common requirement is, automatic routine administration ...

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