# IBM z/OS ## Identification IBM's mainframe operating system, listed beside remote control, security training, radio, and network shortcuts. The slash-safe canonical filename prevents Obsidian from interpreting the product name as a folder path; the official name remains **IBM z/OS**. ## Notebook evidence - [[Scanned_20260730-1946|Scanned_20260730-1946]], PDF page 5. ## Relationships and evidentiary boundary [[Jolly Giant Software]] · [[Interoperability]] · [[SNMP]]. The notebook occurrence records research context and page-level proximity. It does not by itself establish ownership, deployment, compromise, coordination, or present-day status.