DSL Embedded :: DSL - Memory run only

If I were to try, I would choose to boot with "toram" and a persistant /opt directory on the hard drive. Then I would install the persistant files to the /opt directory instead of to /usr

You could boot to console text mode with:

dsl 2 toram opt=hda1

where your replace hda1 with the location on your hard drive for your persistant opt directory.

If you use the .filetool.lst for backup/restore of files that are normally loaded into the RAMDISK, you CAN specify a directory name and all files and subdirectories will be automatically saved during a controlled shutdown of the OS. You can also execute the backup process manually at certain intervals without shutting down the OS, if you prefer.

original here.