xv6-6.S081

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This is lab of 6.s081 / Fall 2020

Detail of labs is in 6.S081: Operation System Energineering.

You can see the answers in corresponding branch.

Process:

• [x] Lab1 util: Unix utilities
• [x] Lab2 syscall: System calls
• [x] Lab3 pgtbl: Page tables
• [x] Lab4 traps: Trap
• [x] Lab5 lazy: Lazy allocation
• [x] Lab6 cow: Copy-on-write fork
• [x] Lab7 thread: Multithreading
• [x] Lab8 lock: Parallelism/locking
• [x] Lab9 fs: File system
• [x] Lab10 mmap: Mmap
• [x] Lab11 net: Network stack

学习笔记：

• XV6学习(1) Lab util
• XV6学习(2) Lab syscall
• XV6学习(3) Page tables
• XV6学习 (4) Lab pgtbl
• XV6学习 (5) 陷阱和系统调用
• XV6学习 (6) Lab traps
• XV6学习 (7) Lab lazy
• XV6学习（8）中断和设备驱动
• XV6学习（9）Lab cow
• XV6学习（10）锁
• XV6学习（11）Lab thread: Multithreading
• XV6学习（12）Lab lock: Parallelism/locking
• XV6学习（13）调度
• XV6学习（14）Lab fs: File system
• XV6学习（15）Lab mmap: Mmap
• XV6学习（16）Lab net: Network stack