Noun
ramdisk (plural ramdisks)
Alternative spelling of RAM disk
For example, there was a public domain utility called Grafdisk that added the graphics memory to regular banked memory to create a larger TRSDOS ramdisk (96K on the Radio Shack board). Source: Internet
Its ramdisk program was called Memdisk and could use the optional extra 64KB of ram, as well as a specified portion of the Z-80's main 64KB. Source: Internet
When combined with the upper 64K of Model 4 banked RAM, a ramdisk of up to 384K could be mounted. Source: Internet
There are also a few specialized "ultra-lightweight" Linux distributions which are designed to boot from removable media and stored in a ramdisk for the entire session. Source: Internet