Are you sure the name is 'folder'$'\003'? I think the outer quotes might be added by ls. I would try rm -rf 'folder\'\$\'\\003'
Edit: Or rm -rf 'folder\'$\'\\003'
Are you sure the name is 'folder'$'\003'? I think the outer quotes might be added by ls. I would try rm -rf 'folder\'\$\'\\003'
Edit: Or rm -rf 'folder\'$\'\\003'