Full form of z/OS is zSeries 900 Operating System
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Others
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Frequently Asked Questions
What is the full form of z/OS?
z/OS stands for zSeries 900 Operating System. Fullformexpand.com has 9 other full forms of z/OS abbreviation.
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Citations
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"z/OS." Fullformexpand.com, https://www.fullformexpand.com/zos/zseries-900-operating-system. Accessed 28 Feb. 2026.
Fullformexpand.com, 2026. "z/OS." Accessed February 28, 2026. https://www.fullformexpand.com/zos/zseries-900-operating-system.
"z/OS." (n.d.). Fullformexpand.com. Retrieved February 28, 2026, from https://www.fullformexpand.com/zos/zseries-900-operating-system.
z/OS. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/zos/zseries-900-operating-system (Accessed: 28 February 2026).
| Abbreviation | Full Form | Category |
|---|---|---|
| z/OS | latest operating system in the OS/360 lineage |
Others
|
| z/OS | OS/360 operating system version |
Others
|
| ZOS | Osorno, Chile |
Others
|
| ZOS | Zelgadis Obsession Syndrome |
Others
|
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z/OS Full Form
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