About this ebook
Variables, variables, variables – how to deal with them in the Bash shell
In this micro-course there are all internal commands of the Bash shell enabling control of values assigned to variables and information how these values are treated in the operating system. It discusses the procedure of variable declaration, specifying the type and range, if it is to be only the variable existing within a function, a process or the current process as well as descendant processes. The micro-course describes how to delete this variable.
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