Using the Linux command line tools, answer the following questions:

Answer the following for EACH Nano, VI, EMACS:

What key command saves a file?

What key command exits the program?

Write the following python code in each editor (with the appropriate name) and execute using the python3 command. Save each file as helloworld_editorname.py:

print("Hello world from VI/EMACS/Nano")

Post a screenshot of each script executing.

Do some research into the sed and awk commands. Write a 5+ sentence description of each:

Describe in your own words what a regular expression is.