OSD, abbreviation for on-screen display, It is a menu on several devices that provides options used to adjust the display or other options available to that specific device. OSD can also be a short form for open source definition, is an agreement for distributing, using, and modifying open source code.
OSD can be summarised as object-based storage device, an OSD is a device that utilizes the standard of storing data sets as objects. The SCSI (small computer system interface) command set for OSDs was created by the Storage Industry Networking Association.
![osd3](https://computersolve.com/wp-content/uploads/2022/06/osd3.png)
The picture shown is an example of an OSD button being displayed in the bottom right corner of a computer monitor.