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Dyfyniad Arddull ChicagoDeitel, Harvey M. An Introduction to Operating Systems. 2nd ed. Reading, Mass.: Addison-Wesley Pub. Co., 1989.
Dyfyniad MLADeitel, Harvey M. An Introduction to Operating Systems. 2nd ed. Reading, Mass.: Addison-Wesley Pub. Co., 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.