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section, you will learn how to create and run a '''Bash Shell script'''.
=INVESTIGATION 2: SHE-BANG LINE / VARIABLES / PARAMETERS=
section, you will add a '''she-bang''' line at the top of your shell script to force the shell script to run in a<br>specified shell when executed. You will also learn how to use '''variables''', '''positional''' and '''special parameters'''<br>to make your shell scripts more adaptable.
=INVESTIGATION 3: COMMAND SUBSTITUTION / MATH OPERATIONS=
section, you will learn how to use '''command substitution''' and '''math operations''' in your shell scripts.