Before a command is executed, its input and output may be redirected using a special notation interpreted by the shell. Redirection allows commands’ file handles to be duplicated, opened, closed, made to refer…
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In last article, we discussed out Bash Environment Variables which always play an important role in Bash Shell Scripting and here in this article, we listed out all Bash External Variables which you…
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A shell is a program that runs operating system commands. Bash has more than 50 predefined variables.These variables, created when Bash is first started, provide information about the Bash session and can be used…
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