Plural of dsname; multiple data set names or identifiers for files and datasets in mainframe computing systems.
From 'dsname' (data set name) with the regular English plural suffix '-s' added to form the plural.
When you're managing thousands of datasets on a mainframe that's running a bank's core systems, mastering DSNAME conventions becomes your superpower—it's boring but incredibly high-stakes technical knowledge that keeps economies running.
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