Changes

<table align="right"><tr valign="top"><td>[[Image:script-check-1.png|thumb|right|250px|If all all check pass, then user performed task correctly and can continueproceed.]]</td><td>[[Image:script-check-2.png|thumb|right|450px|If there is a warning, then feedback is provided to user to correct and re-run checking script.]]</td></table>To check for mistakesIf you have correctly completed the required tasks, a '''shell script''' has been created to check your workthe user can proceed. If the checking shell script detects an '''error''', then it will provide feedback and offer constructive feedback to the student on how to fix that problem so you can re-run the checking shell scripts until your work is correctyou have successfully completed a task.