This information is included for people using Microcore without a graphical interface, and other advanced users.
New users should find it easier using the backup which runs automatically when shutting down the computer.
To run backup, open the terminal and use
filetool.sh -b
To restore files in backup, use
filetool.sh -r
To find out where backup is saved, use
cat /opt/.backup_device
To list files that will be in backup and their size, use
filetool.sh -d
To list large files in /home/tc, use
find /home/tc/ -type f -size +1M | xargs ls -lhS