Media Summary: Physical file systems, chaining, virtual machines. Wrapup, final in-class problem, some review. Physical file systems, inodes, indirect blocks, path resolution.
Cs350 F19 Lecture 23 - Detailed Analysis & Overview
Physical file systems, chaining, virtual machines. Wrapup, final in-class problem, some review. Physical file systems, inodes, indirect blocks, path resolution. Processes, process management calls, fork, waitpid, getpid, execv, _exit. Device registers, port vs. memory mapping, intro to device drivers and how a disk works. Multiprocessing example with preemption and system calls. IPC. A2a guide.
A1 advice. Review of semaphores and condition variables. In-class handout. Memory models, volatile, deadlock. Review of virtual memory so far. Single level paging. Intro to multi-level paging. Virtual memory. Dynamic relocation, segmentation, segment tables. Please note: due to various technical issues on the day of ... IO Service Request Time, drivers, disk scheduling, SSDs, persistent RAM. A2b walkthrough. Continuation of OS/161 virtual memory.
