feature of AutoBackUp of the img

[Dwarden]

would be possible to include auto-backup of existing .img ?
this shall happen before write (e.g. on shutdown)
in case the write fails or is corrupt, then the previous 'copy is used'
also allow user to define number of backups with FIFO rotation
each backup has unique name with timestamp to avoid of any renames or overwrite

thanks for considering

[v77]

Are you speaking of a ramdisk or a mounted image file?