Record the identity before you disturb it

Answer

echo 'draft notes' > ~/notes.txt ls -i ~/notes.txt stat -c '%i %h %n' ~/notes.txt

Write the inode number down. The whole experiment is a before-and-after comparison, and without the "before" there is nothing to conclude — this is the step the assignment expects you to have performed rather than reasoned about.

Sarwar & Koretsky 3e ch6 §6.3.2; ch4 §4.5.5