Systems Administrators Guild

<body, job>

(SAGE) A special technical group of the USENIX Association.


Last updated: 2001-01-27

systems analysis


Study of the design, specification, feasibility, cost, and implementation of a computer system for business. What a systems analyst does.

Last updated: 1997-04-25

Systems Analysis Definition


(SAD) The analysis of the role of a proposed system and the identification of the requirements that it should meet. SAD is the starting point for system design. The term is most commonly used in the context of commercial programming, where software developers are often classed as either systems analysts or programmers. The systems analysts are responsible for identifying requirements (i.e. systems analysis) and producing a design. The programmers are then responsible for implementing it.

Last updated: 1996-03-07

systems analyst

systems analysis

Systems Application Architecture


(SAA) IBM's family of standard interfaces which enable software to be written independently of hardware and operating system.

Last updated: 1997-04-25

Systems Development Life Cycle


(SDLC, or "Software...") Any logical process used by a systems analyst to develop or redesign an information system. SDLC includes requirements, design, development, integration, testing, validation, training, user ownership, operations, analysis and maintenance.

An SDLC should result in a system that meets or exceeds customer expectations, within time and cost estimates, works effectively and efficiently in the current and planned Information Technology infrastructure, is cheap to maintain and cost-effective to enhance.


Last updated: 2013-11-12

systems jock


Systems Network Architecture


(SNA) IBM's proprietary high level networking protocol standard, used by IBM and IBM compatible mainframes.

Also referred to as "Blue Glue", SNA is a bletcherous protocol once widely favoured at commercial shops. The official IBM definition is "that which binds blue boxes together." It may be relevant that Blue Glue is also a 3M product commonly used to hold down carpets in dinosaur pens.

[Jargon File]

Last updated: 1994-11-23

system software

<operating system>

Any software required to support the production or execution of application programs but which is not specific to any particular application.

System software typically includes an operating system to control the execution of other programs; user environment software such as a command-line interpreter, window system, desktop; development tools for building other programs such as assemblers, compilers, linkers, libraries, interpreters, cross-reference generators, version control, make; debugging, profiling and monitoring tools; utility programs, e.g. for sorting, printing, and editting.

Different people would classify some or all of the above as part of the operating system while others might say the operating system was just the kernel. Some might say system software includes utility programs like sort.

Last updated: 2007-02-02

systems operator

system operator

systems programmer


(sysprog) A generic job title that covers a variety of specialist roles such as writing low-level code that talks to directly to the operating system on a server.

Typical skills required are experience of specific operating systems, networking (TCP/IP, ATM, Ethernet, DNS), electronic mail (POP, IMAP, SMTP), web servers, RDBMS, operating system and network security, and hardware (SCSI, hard disks, and backup devices).

Contrast: system administration.

Last updated: 1999-09-14

systems programming

systems programmer

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