Shell scripting for system administrators: advanced techniques

" Swayam Prakasha concludes his excellent three part series on shell scripting with some of the more advanced concepts, including two very useful commands…

"In issues 91 and 92 of Linux User & Developer, we had a look at various aspects of shell scripting. We covered topics such as redirection, variables, arithmetic expansions, control constructs, various operations on strings etc.

"We also had a detailed look at some of the popular shell commands such as 'find' and 'grep'. Thus an in-depth understanding of shell scripting is very essential if someone wants to become an expert in system administration tasks. It is recommended to go through those two articles first via the links at the bottom of this page. "In this part, our focus will be on various advanced concepts of shell scripting and see how they are going to be beneficial for software developers and system administrators.

"Two important concepts in shell scripting are 'sed' and 'awk'. Let us take a detailed look at each of these."

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