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→INVESTIGATION 2: SHE-BANG LINE / VARIABLES / PARAMETERS
# '''Save''' your editing changes and '''exit''' your text editor.<br><br>
# While in the ''Bourne shell'', issue the following Linux command:<br><span style="color:blue;font-weight:bold;font-family:courier;">./hello</span><br><br>You should notice that the shell name is running in the '''Bash shell''' (i.e. ''/bin/bash'').<br><br>
# It is a good idea to rename your shell script to include an '''extension''' to<br>explain indicate that this it is a '''Bash Shell script''' file (referred to as a "''portable Bash shell script''"). <br>Issue the following Linux command to rename your shell script file:<br><span style="color:blue;font-weight:bold;font-family:courier;">mv hello hello.bash</span><br><br>
# Confirm that the modification work by running your Bash shell script:<br><span style="color:blue;font-weight:bold;font-family:courier;">./hello.bash</span><br><br>
# Enter the following Linux command to '''exit''' the ''Bourne shell'' and return to your ''Bash shell'':<br><span style="color:blue;font-weight:bold;font-family:courier;">exit</span><br><br>Let's use some '''ENVIRONMENT variables''' in our Bash Shell script.<br><br>
