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→INVESTIGATION 2: USING VARIABLES IN SHELL SCRIPTS
# Run your renamed shell script for confirmation by issuing:<br><span style="color:blue;font-weight:bold;font-family:courier;">./hello.bash</span><br><br>
# Enter the following linux command to return to your Bash shell: <span style="color:blue;font-weight:bold;font-family:courier;">exit</span><br><br>
# Issue the following Linux command to confirm you have returned to the Bash shell: <span style="color:blue;font-weight:bold;font-family:courier;">echo $SHELL</span><br><br>Let's use some '''ENVIRONMENT variables ''' in our Bash Shell script.<br><br>
# Use a text editor to edit the shell script called '''hello.bash'''<br><br>
# Add the following lines to the bottom of the file:<br><span style="font-family:courier;">echo "The current username is: $USER"<br>echo "The current directory location is: $PWD"<br>echo "The current user's home directory is: $HOME</span><br><br>
