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Simple Commands 常用指令 ls 顯示文件或目錄 -l 列出文件詳細信息l(list) -a 列出當前目錄...
What is Unix Unix is a Multi-user, multi-process and multi-access operat...
Preemptive Multitasking(搶占式多任務處理) 在單cpu的系統里,同一時間只能有一個進程運行,在進程切換的時候,kerne...
What is process? Process can be seen as a dynamic instance of program, o...
首先,先說說什么是操作系統。 What is operating system? Anoperating system(OS) issystem...