CS208 Introduction to Computer Systems
Monday, 23 February 2026

+ Coming up
- 2-part final exam
    - in-class Monday, March 9
    - takehome due Monday, March 16
- Processes and a command shell
- Networking: clients, servers, ports, sockets
- [maybe] Memory hierarchies

+ Buffer overflow debrief?
- Check out
    - The Morris Worm
    - Code Red
    - Heartbleed

+ Lab

+ Processes in Unix
- the ps command
    weird history of this command
    ps aux (my usual version)
    ps -e
    etc.
    
- fork
- exec
- Wednesday: redirection
    - dup2 and the file descriptor table
    - making > happen
    - making | happen