Process-Permanent Logical Name

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A process-permanent logical name is a logical name that DCL creates for a process when the user logs in to represent a process-permanent file, a file open for the life of the process. Process permanent logicals remain defined for the life of the process and cannot be deassigned. They can be redefined, but if the redefined name is later deassigned, the process permanent name is reestablished. Process permanent logical names are: