(Optional) Lab4: File Systems

Note: Lab 4 is not required for all the students.

In the previous two assignments, you made extensive use of a file system without actually worrying about how it was implemented underneath. For this last assignment, you will improve the implementation of the file system.

You will be working primarily in the filesys/ directory.

You may build project 4 on top of project 2 or project 3.

• In either case, all of the functionality needed for project 2 must work in your filesys submission.

• If you build on project 3, then all of the project 3 functionality must work also, and you will need to edit filesys/Make.vars to enable VM functionality. You can receive up to 10% extra credit if you do enable VM.

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