JIJohirul Islam Ziminos-invade.hashnode.dev·May 29, 2025 · 3 min readBatch OSBatch OS is a ancient(1950s) operating system used in mainframes like IBM 701 (1952), IBM 1401 (1959), etc. In that period, the computer were less powerful in processing, memory (in every section in compare to today). How Batch OS work: The client g...00