CS208 Introduction to Computer Systems
Wednesday, 28 February 2024

+ ??
- when would you use execlp?
- difference between execv, execvp, execvpe? (i dunno)
- when do you use <
- why does it sometimes take multiple Ctrl-D's to end things...

+ Exit status
- exit_status.c
- echo $?
- wait
- ...

+ Concurrency history
- ENIAC
- Batch processing
- MULTICS, OS 360,...
- Two problems
    - race conditions
    - deadlock

+ race.c
- shared memory

+ race2.c
- why isn't this one failing, and what does that mean?

+ Pipes
- ls -l | wc -l
- Circular queues
- The producer-consumer problem
- process states: running, runnable, blocked/sleeping
    (also zombie--another issue)