"slack file". If you used them as swap they weren't "wasted" but could still be retasked in emergencies. many filesystem have "reserved space" where only root

"slack file". If you used them as swap they weren't "wasted" but could still be retasked in emergencies. many filesystem have "reserved space" where only root could actually fill the disk: https://unix.stackexchange.com/questions/7950/reserved-space-for-root-on-a-filesystem-why https://unix.stackexchange.com/questions/7950/reserved-space...