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→INVESTIGATION 2: USING VARIABLES IN SHELL SCRIPTS
# Issue the following linux command to change to the c-shell (a different shell than the default Bash):<br><span style="color:blue;font-weight:bold;font-family:courier;">csh</span>
# Issue the following linux command confirm you are in the c-shell:<br><span style="color:blue;font-weight:bold;font-family:courier;">echo $SHELL</span><br><br>You should see the output of the command that you are located in the c-shell.<br><br>
# Run your '''hello.bash ''' shell script. <br><br>What shell does the shell script indicate is running?<br><br>This is because of the shebang line indicating to run the shell script in the Bash shell although you ran this script within the c-shell.<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>
# 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>
# Save your editing changes and exit your text editor.<br><br>
# Run your '''hello.bash''' shell script.<br><br>Take time to view the output and the values of the environment variables.<br><br>
# x
