käyttökiekkä
Käyttökiekkä is a Finnish term that translates to "user disk" or "application disk" in English. It refers to a storage medium, typically a floppy disk or CD-ROM, that contained software applications or operating system components necessary for a computer to function or run specific programs. In the early days of personal computing, these disks were crucial for installing software before the widespread adoption of hard drives and optical drives that could hold larger amounts of data. Users would insert the käyttökiekkä into their computer's drive, and the system would then load the necessary files from it.
The concept of a käyttökiekkä is closely tied to the evolution of software distribution. Before floppy disks,