Operating System
A preserved cluster of undergraduate notes grouped by subject area.
4 notes
Concurrency
概念定义 | Concept | Definition | | | | | thread | separate process that 共享代码、共享数据、拥有独立栈堆 | | multi thread | parallelism and can avoid blocking program progress due to slow I/O | | rac...
Extension
Operating System: Three Easy Pieces 讲义 NJU: 操作系统 蒋炎岩 Labs | No. | Name | Description | Knowledge Point | | | | | | | M1 | pstree | 打印进程之间的树状的父子关系 | 命令行参数；分析/proc | | M2 | libco | 实...
Persistance
Operating System: Three Easy Pieces 讲义 NJU: 操作系统 蒋炎岩 储存介质 (Non Volatile Memory) | Name | Year | 原理 | Remarks | | | | | | | Magnetic Tape | 1928 | 磁比特数组 | 无法进行高效的随机读写 | | Magnetic D...
Virtualization
Operating System: Three Easy Pieces 讲义 NJU: 操作系统 蒋炎岩 Process 单个程序$\rightarrow$ 状态机$(M,R)$ 分时复用处理器：利用中断$(M,R)$到状态机上 分时复用寄存器 $(M 1,R 1)\rightarrow(M 2,R 2)\rightarrow\cdots$ 系统调用 操作系...