Works the same as M-b for me (backwards-word)

Make sure your /etc/inputrc or ~/.inputrc contains

# mappings for Ctrl-left-arrow and Ctrl-right-arrow for word moving

"\e[1;5C": forward-word

"\e[1;5D": backward-word

"\e[5C": forward-word

"\e[5D": backward-word

"\e\e[C": forward-word

"\e\e[D": backward-word`

So you should only major in things you already know?

Any decent compsci program starts out assuming the student knows nothing.

Besides computer science is about math, not actually interacting with a specific os.

Zipping a folder has 0 to do with compsci in the first place. Unless it’s a course on compression.

He was there to learn, right? Is a first semester student expected to know specific programs without explanation?