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<ol><li value="4">Save your editing session, assign your report.bash file read and execute permissions (at least for the owner) and run by typing: <b><code><span style="color:#3366CC;font-size:1.2em;">./report.bash</span></code></b></li><li>Did it run? If not what do you think you need to do in order to run the Bash Shell Script?</li><li>Issue the command <b><code><span style="color:#3366CC;font-size:1.2em;">su</span></code></b> and run the Bash shell again. Did it work?</li><li>Reopen your text-editing session for report.bash and add the following lines of code to the bottom of the shell script file:</ol>
<br>
<code style="color:#3366CC;font-family:courier;font-size:.9em;">
::# Create report title
::echo >> /root/report.txt
</code>
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<ol><li value="8">Save and run the bash shell script. View the contents of the file called "report.txt" that was generated. Notice how the redirection symbol > is used at the beginning of the report, and then the other redirection symbol >> is used to help "grow" the report with the other content.</li><li>The only remaining content of the report would be the system information. We can use a shell scripting trick called "command substitution" $( .. ) in order place results from an command to be used by another command (like echo). Re-edit the shell script and add the following code at the bottom of the shell script file:</li></ol>
<br>
<code style="color:#3366CC;font-family:courier;font-size:.9em;">
::echo >> /root/report.txt
::echo >> /root/report.txt
</code>
<br>
<ol><li value="10">Save, run the script, and view the resulting file contents.</li><li>Edit the shell script and issue the build the report to include empty lines, titles, and content for the remaining commands: <b><code><span style="color:#3366CC;font-size:1.2em;">ps aux</span></code></b> and <b><code><span style="color:#3366CC;font-size:1.2em;">ifconfig</span></code></b>.</li><li>Save, run and confirm that the shell script is working correctly.</li><li>What would be the use of keeping this shell script as a Linux system administrator?</li></ol>
