Write-Once Read-Many

<storage> (WORM) Any type of storage medium to which data can be written to only a single time, but can be read from any number of times.

Typically this is an optical disk whose surface is permanently etched using a laser in order to record information.

WORM media have a significantly longer shelf life than magnetic media and thus are used when data must be preserved for a long time.

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wrb write WRITEACOURSE write-back write buffer	WORM	write-only code write-only language write-only memory write-through write-thru