操作系统

Systemtopicsprovidetechnicalguidanceandapplicationpracticesforindividualusersandsystemadministrators.Thecontentincludesfreshinformationonpersonalandenterprise-levelWindows,Linux,HarmonyOS,MacOSandothersystems,aswellastechnicalarticlesrelatedtosystemmanagement,aswellasConductforward-lookingdiscussionsonnext-generationsystemplatforms.

Operatingsystem-prepareforexecutingthesystemcallcommand.Themainjobistoretainthesceneandputtheparametersofthesystemcallcommandintothedesignatedstorageunit.Executethesystemcall.Findthecorrespondingnumberaccordingtothenumberofthesystemcallcommand.Thesub-processoperatingsystemisacomputerprogramthatmanagescomputerhardwareandsoftwaresites.Itcanhandlebasictaskssuchasmanagingandconfiguringmemory,prioritizingserverresourcesupplyanddemand,controllingoutputdevicesandexternaldevices,控制互联网，管理文件系统..

为什么需要操作系统？现代计算机系统主要由一个或多个处理器、主存、硬盘、键盘、鼠标、显示器、打印机、网络接口和其他输入输出设备组成。