Shell scripting for system administrators: beyond the basics

[ Thanks to Linux User & Developer magazine for this link. ]

"In an earlier article, we studied the fundamental aspects of shell scripting and covered topics such as redirection, variables, arithmetic expansions and control constructs. In this part, we will focus on more advanced concepts that are useful for system administrators and software developers…

"This article originally appeared in issue 92 of Linux User & Developer magazine.Shell scripting for system administrators: beyond the basics Subscribe and save more than 30% and receive our exclusive money back guarantee – click here to find out more.

"A working knowledge of shell scripting is vital if someone wants to become good at system administration tasks. Since this tutorial tackles topics that assume a basic understanding of shell scripting, we strongly urge you to take a look at our Shell Scripting: The Basics article first…

"One important aspect of shell scripting is file-oriented utility. A file-oriented utility is basically used as a filter in a pipe. We can add a '-' to get a more useful result. That is, when we have 'file -', the shell waits for the user input and analyses it."

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