CS208 Introduction to Computer Systems
Friday, 23 February 2024

+ Coming up
- Two related programming assignments
- Final takehome
- Break!

+ Programs that launch other programs

+ Command shells

+ Relevant Unix commands

    ps
    ps aux
    ps auxww
 
    kill PID
    kill -9 PID

    env
    echo $HOME
    echo $0
    echo $_

+ Things you'll need to be able to do
- Create a new process (fork)
- Execute a new program (exec)
    (but this is weirder than it sounds)
- Redirect stdout and stdin
- Redirect to the ends of a pipe
- Respond to signals

- DON'T FORGET THE SAMPLE CODE!
- Watch the videos!