The edit work file (EWF) is a dynamic file that is created for each terminal user when EDIT is invoked. For the CA WA CA 7 Edition environment, the file is suballocated from the scratch queue as previously described for the active area. For other environments, it is allocated according to the rules and conventions of the environment where requested. The EWF space is released when leaving the editor.
The EWF is initialized by copying the contents of the active area. An editor program is invoked in the environment of the terminal user to change the EWF data. When editing is complete, any saved updates are copied back to the active area and the EWF is freed.
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