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→Main Objectives of this Practice Tutorial
:* Define the terms '''Standard Input''' (''stdin''), '''Standard Output''' (''stdout''), and '''Standard Error''' (''stderr'')
:* Understand and use the purposes of the redirection symbols '''>''', '''>>''', '''2>''', '''2>>''', and '''|''' (pipe)symbols with Linux commands
:* Understand the purpose of the the '''/dev/null''' file and the '''Here Document'''
:* Define the term '''pipeline command''' and explain how a pipeline command functions
:* Define the term '''filter''' and how it relates to '''redirection''' using pipeline commands
:* Use the '''semicolon''' ";" and '''grouping''' "( )" symbols to issue multiple Unix / Linux commands in on a single line
:* Use the '''backslash''' "\" symbol to spread-out long Unix/Linux commands over multiple lines
