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There was a typo in the previous notice: It said all of Week8
instead of Week 9. Week 8 are assignment questions, and not
directly relevant for the exam. Thanks to Richard Croft and Nich
Young for pointing this out.
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To get an idea of the type of questions you can expect in the
exam, have a look at the following tutorial questions:
- Week 2: all
- Week 4: all but Q 5 (would not expect you to have memorised
all the system calls used in the code)
- Week 6: all
- Week 7: all but q 15
- Week 9: all
- Week 10: all
- Week 12: all
- Week 13: all
- Week 14: all
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There are not fixed exam consultation times. In case you would
like to discuss questions you might have about the course
material, please contact me so we can schedule a meeting.
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The course survey is available now. You should receive an email
today containing the instructions on how to access it. Thanks in
advance for your feedback!
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The course survey will be up shortly - I will send an email to the
course mailing list as soon as it is accessible.
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The spec states that you can ignore the pid in the TLB if you
flush the TLB before each context switch. Please note that this
does not mean you can completely ignore the pid - you need to
store the pid of a page in the frame table. Since there is no
pid field in the pcb, use the address space pointer to uniquely
identify a thread.
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Assignment 3 has been released! It challenges you to implement a virtual memory system.
Please note that there are two deliverables: a simplified version one
week before the deadline, and the full version, due on the 1st of
November. For details, please consult the spec.
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The provisional automarking for assignment 1 is now complete. You can view your
automarking result using '~cs3231/bin/classrun -sturec'. This mark
is only provisional, and may change. You can also view the test results by
collecting the assignment in the usual way. (classrun -collect asst1)
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Patryk Zardarnowski will be holding Assignment 2 consultations in week 9. They
will be on Tuesday and Thursday afternoons for that week only.
See the consultations page for more details.
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Assignment 2 is now released. In this assignment you will be implementing a set
of file and process-related system calls. Upon completion, your operating
system will be able to run multiple copies of a single application at user-level
and perform some basic file I/O.
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Unfortunately, due to health problems, Lucy will not be able
to continue lecturing, so I will be giving the lectures from now on.
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A student (bjsa046) helpfully pointed out a bug in prime_driver.c. I've
now fixed the version in our source tree. To fix it you can either copy
the new prime_driver.c from our tree, or just fix the file yourself as
described here.
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I've now updated the knowledge base on the forums to include all the information
from previous years FAQs. Please have a look there before posting questions
to the forums. They are searchable, and you can even propose entries yourself.
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Assignment 1 has been released!
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The OS/161 page has now been updated. It now has links to the latest(1.4)
versions of the cs161 tools to get everything running at home. You can navigate
there from the menu on the left under Resources -> OS/161 -> General.
If you've installed the old 1.3 tools, I strongly recommend updating them.
(They install a lot easier under cygwin, too)
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The forums are now up and running. Be the first to post to them! To get
on, first click on the "Can't login?" link to get a password. Your cse
password will not work. This is where you should post all your
questions about the course, the lectures, the tutorials, and anything
else you can think of.
The forums will be monitored by the tutors,
and we will answer questions that are worthy. Feel free to answer other
students questions if you feel confident. You will not
be punished for attempting to help.
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Welcome to OS, Session 2! The first lecture is tonight, 18:00 - 21:00
in Keith Burrows Theater
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If you're looking for last sessions web page, it will be available shortly.
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![[UNSW]](/~cs3231/images/unsw_0.png)