Sujet : mainframe

• z/OS orientation: address spaces, datasets, catalogs, JES2, and what SSH into USS can see

  z/OS organizes work into address spaces rather than a flat process table, stores data in cataloged datasets rather than a single filesystem tree, and queues batch work through JES2; an SSH session into z/OS UNIX System Services (USS) is one more address space with its own view, not a window onto the whole system.

  article · en · reviewed · connaissances au 2026-09-24

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