. . "specialized programs that reside permanently in the computer's main memory and control the processing of user's programs"@en-us . "106181478"@en-us . . "104942616"@en-us . "106588139"^^ . "supervisory software"^^ . . "0"^^ . "supervisory software"@en-us . . . . "0"^^ . "06588139-n"^^ . . .