This is a backronym. /usr is the original user home directory location on classic unix. https://www.bell-labs.com/usr/dmr/www/notes.html https://www.bell-labs.

This is a backronym. /usr is the original user home directory location on classic unix. https://www.bell-labs.com/usr/dmr/www/notes.html https://www.bell-labs.com/usr/dmr/www/notes.html