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2. Job Entry Subsystem 2/3 - Wikipedia

   en.wikipedia.org/wiki/Job_Entry_Subsystem_2/3

   Job Entry Subsystem 2/3. The Job Entry Subsystem (JES) is a component of IBM 's MVS mainframe operating systems that is responsible for managing batch workloads. In modern times, there are two distinct implementations of the Job Entry System called JES2 and JES3. They are designed to provide efficient execution of batch jobs.

3. IBM SkillsBuild - Wikipedia

   en.wikipedia.org/wiki/IBM_SkillsBuild

   IBM SkillsBuild. IBM SkillsBuild is a free education program focused on underrepresented communities in tech, that helps adult learners, and high school and university students and faculty, develop valuable new skills and access career opportunities. The program includes an online platform that is complemented by customized practical learning ...

4. History of IBM - Wikipedia

   en.wikipedia.org/wiki/History_of_IBM

   International Business Machines (IBM) is a multinational corporation specializing in computer technology and information technology consulting. Headquartered in Armonk, New York, the company originated from the amalgamation of various enterprises dedicated to automating routine business transactions, notably pioneering punched card-based data tabulating machines and time clocks.

5. Philip Don Estridge - Wikipedia

   en.wikipedia.org/wiki/Philip_Don_Estridge

   Philip Donald Estridge (June 23, 1937 – August 2, 1985), known as Don Estridge, was an American computer engineer who led development of the original IBM Personal Computer (PC), and thus is known as the "father of the IBM PC". He opened its specifications, which revolutionized the computer industry, resulting in a vast increase in sales of ...

6. Keypunch - Wikipedia

   en.wikipedia.org/wiki/Keypunch

   Keypunch. IBM 026 Keypunch. Keypunch operators at work at the U.S. Social Security Administration in the 1940s. Operators compiling hydrographic data for navigation charts on punch cards using the IBM Type 016 Electric Duplicating Key Punch, New Orleans, 1938. A keypunch is a device for precisely punching holes into stiff paper cards at ...

7. Job Entry Subsystem 1 - Wikipedia

   en.wikipedia.org/wiki/Job_Entry_Subsystem_1

   Job Entry Subsystem (JES), aka Job Entry Subsystem 1 (JES1), was released by IBM as an integral part of OS/VS1 as an enhancement to the basic functions that users of VS1's predecessor, MFT, had. History [ edit ]