Need help to display these quesions please. It's from Linux class. I need step by step solution please.

Here is the step 4 and 11 for your help.

The mv utility (Sobell, page 53)renames a file. Use mv to rename the copy of the file you made in step 4. 11. The lpr utility (Sobell, page 55) sends a file to the printer. Use lpr to print the file you renamed in step 1 1 . 12. The grep utility (Sobell, page 56) searches for a string of characters in a file. Use grep to display all lines that contain a string (such as sma) in the file you renamed in step 11. 13. SEP