Hiya,   I'm trying to switch users in the terminal, i would like to temporarily operate as my 'backup-user'. I have found that if i do not switch user and perform certain operations as that user, i screw up my Borg Repository. My repository is now not accessible by my backup-user, only by unRAID's root user   So two parts to this: 1. To prevent this issue in the future, i'd like to be able to switch user before doing what i did. But i've tried just now and i can't...