Alternate Usage
For historical reasons, some organizations use the term systems programmer to describe a job function which would be more accurately termed systems administrator. This is particularly true in organizations whose computer resources have historically been dominated by mainframes, although the term is even used to describe job functions which do not involve mainframes. This usage arose because administration of IBM mainframes often involved the writing of custom assembler code (IBM's Basic Assembly Language - "BAL"), which integrated with the Operating System such as OS/MVS, DOS/VSE or VM/CMS. Indeed, some IBM software products had substantial code contributions from customer programming staff. This type of programming is progressively less common, but the term systems programmer is still the defacto job title for staff directly administering IBM mainframes.
Read more about this topic: System Programming
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