Challenge Question; From Computer A in the lab figure out the following and provide a screen shot as proof of your work; Any screen shots MUST contain an echo of your PSU ID as authenticity. Ex: echo psu123 1. Display the contents of the file that contains the encrypted user passwords but use a regular expression so that ONLY the line with user "cyrin" is output. 2. Submit screen shot with your psu id on the screen. Ex: echo your psu id to the screen. Hints to help with your research; Lookup where are passwords stored in Linux on the Web. The "grep" command is used to search for specific strings of data in Linux. Research examples of it's use.