noun
a program (as an operating system or compiler or utility program) that controls some aspect of the operation of a computer
• Syn: ↑systems program, ↑systems software
• Hypernyms: ↑program, ↑programme, ↑computer program, ↑computer programme
* * *
—system programmer. —system programming.
Computers.
a program, as an operating system, compiler, or utility program, that controls some aspect of the operation of a computer (opposed to application program).
Also, systems program.
Useful english dictionary. 2012.