1. January 8, 2004 Adrienne Noble
Section 1
January 8, 2004
Adrienne Noble

2. Today Questions? A little about my background Projects
Lecture, homework, project 1, etc
A little about my background
Projects
Lab and software information
Project 1

3. Class Projects 4 projects over the quarter Project 1 Project 2
Mostly group projects
Project 1
Add a new syscall to linux and write a simple shell program
Project 2
Implement synchronization primatives and write a multithreaded webserver
Project 3
Implement and analyze different paging algorithms
Project 4
Enhance a simple file system to handle bigger files and longer names

4. Project Tips Start Early!
These are large projects that will take a good deal of time, so don’t procrastinate
Refresh your C skills (or learn them for the first time)

5. Project 1 Two parts Recommended first steps
Add a new syscall to the linux source code
Write a simple shell program
Recommended first steps
Read through the entire lab
Go through the lab info page
This is well worth the half hour or so it will take you
Write a “Hello World” program in C
Start the shell program

6. Lab Information VMWare is on all the Windows machines in lab 006
Use spinlock and coredump!!!
We have our own unix machines dedicated solely to this class, so please use them
It’s very easy to bring down a server while doing projects in this class, and I doubt you want to be the one to kill attu

7. VMWare What is it? Why use VMWare?
A software simulation of an x86 computer
This means that the OS thinks it’s running on a real machine
Why use VMWare?
It allows you to return to a known good state
No matter how badly you screw up things in VMWare, you can always restart it

8. Syscalls
What do these syscalls do?
Fork
Execve
Wait