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An overview of an operating system, focusing on processes, memory management, i/o management, and system calls. It explains the concept of user mode and kernel mode, the importance of i/o protection, and the role of system calls in accessing hardware resources. Additionally, it discusses the boot process, including the role of bios and bootloader.
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Chapter 2. 2015104124 . Bootstrapping ( ) System call Interrupt.
. UNIX fork . User Mode Kernel Mode , Users mode , Kernel Mode . ? I/O protection. .. CPU exception. User mode Kernel mode trap. . . I/O CPU. CPU. . 10msec . CPU. . ROM 0xFFFFFFF. BIOS. BIOS , IO . . Process Management, Memory Management, File Management, I/O System Management, Networking, Protection .
Chapter 2.