ou have spent the last two hours creating a report in a file and afterwards you use cat to create a new file. Unfortunately the new file name you used was the same as the name you used for the report, and now your report is gone. What should you do next time to prevent this from happening

The answer is "Set -o noclobber command before starting."

Explanation:

Whenever this prevent is happening we set the -o noclobber command, this command( -o noclobber ) is used to prevents its > driver to overwrite system files.  Or whenever the user may want to violate their file in certain cases. For this case, users can use > instead of just turn  -o noclobber off! Push the formal file.