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A comment on Things Unix can do atomically (2010). Parent comment

Re:Things Unix can do atomically (2010) by skissane on Friday February 06, 2026 @01:23PM (#46916266)
In recent versions, z/OS has been copying lots of Linux-specific APIs (e.g. unshare [0]) in order to support the z/OS port of Kubernetes.

If Kubernetes starts using renameat2(RENAME_EXCHANGE), they could very plausibly add it.

[0] https://www.ibm.com/docs/en/zos/3.2.0?topic=csd-unshare-bpx1...

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