My backup bash shell script. Extract "filelist" into /home/zaurus & "backup.sh" into /usr/bin. Modify the username & ip address in backup.sh. Make the script executable with: chmod a+x /usr/bin/backup.sh.
Create a directory on the SD card called backup ie mkdir /mnt/card/backup
To extract the backup archive use:
cd /; tar xzvf /path/to/backup_xxx.tar.gz;
This is also a great way of transferring settings between different ROMs.