ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,711,256, issued on Aug. 18, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Apparatus and methods for modifying a union file system using supercopy control" was invented by Neil Alan Johnson (Cornwall, N.Y.), Brad Stilwell (Poughkeepsie, N.Y.), Marie R Buzzetti (Pleasant Valley, N.Y.), Kershaw S. Mehta (Poughkeepsie, N.Y.) and Daniel Acevedo (Milton, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus and products for modifying a union file system are described herein. In some aspects, a method and apparatus include a processing device and memory, wherein the memory stores computer program instructions that, whe...