[ Thanks to Pétur
Ingi Egilsson for this link. ]
“It is possible to download .iso files directly onto a
cddvdlu-ray disk.“/dev/shm is a directory found on Debian & RedHat based
distributions. (Please let me know if you find it on dists as well)
/dev/shm is a dynamic RAM disk, meaning it’s size will grow and
shrink with the size of the files placed there.“The following process is especially ideal for users running
Linux from RAM or small USB sticks. No drive space will be used
during the process & only a very small amount of RAM is
used.”