Schedule

Course administrivia. Temrinal, C & C Memory model.

C structs, C Strings, malloc, realloc, what is a process?, fork(), exec()

fork(), Process states, exec*(), wait(), alarm(), signals (start), shredder demo

Pointers, String, Memory Allocation, Parser, Shredder, Signal Handling

signal(), signal handlers, asynch wait, sigaddset(), sigprocmask(), critical sections

File Descriptor Table, open(), close(), File Descriptor "inheritance", redirection, pipes

Valgrind and GDB debugging tools. File Descriptors, Redirection, Pipes, Penn-Shell M1 tips

chaining pipes

Process groups setpgrp(), Terminal Control tcsetpgrp()

Held Open OH

What is a File System, Disks, Contigious & Linked-List allocation, FAT Start

Process Groups, Terminal Control, Signal handling and penn-shell final milestone

FAT, INodes, Directories

stdio Buffering, Memory Heirarchy, Caches, std::vector vs std::list

Midterm Review, covering topics and questions

Midterm Practice Questions made by Travis

SJF, FCFS, RR, RR Variants

context swithing, threads, threads vs processes

Threads Intro Continued, Data races, Race conditions, Mutex, TSL, Peterson's Algorithm

PennOS & PennFAT details, VERY USEFUL

Reader-Writer problem, deadlocks, condition variables, monitors

Condition Variables, Monitors, Dining Philosophers, Resource Graphs, Safe States

Intro to Penn OS and Makefiles

Dining Philosophers, Resource Grapgs, Safe States, Deadlock Avoidance, Parallel Analysis

Introduction to virtual memory, pages, page frames, page tables, address translation

autograder demo

Virtual Memory Refresher, TLB, Multi Level Page Tables, Inverted Page Tables

Page Eviction, LRU, LRU Approximations, Thrashing, Belady's Anomaly

Hosted extra OH for PennOS

Malloc & Free Lists, Fragmentation, Buddy Algorithm, Slab Allocator

C, C++, memory saftey and Rust

Hosted extra OH for PennOS

Exam Review

Hosted extra OH for PennOS

Exam Review!