A full operating system kernel, based on Unix, built as a semester-long project in CS 1690 (Operating Systems) at Brown University. Read more about the course and the individual projects here.
The projects, in order of completion:
- Procs - The base of the OS, consisting of threads, processes, and synchronization primitives.
- Drivers - Device drivers for terminals, disks, and the memory devices
/dev/zeroand/dev/null. - VFS (Virtual File System) - An interface between the operating system kernel and the various file systems (such as RAMfs, S5FS, and the device drivers).
- S5FS (System V File System) - A file system implementation based on the original Unix file system.
- VM (Virtual Memory) - Userspace address space management, running user-level code, servicing system calls, and everything else needed to wire the previous components into a fully functioning operating system. This includes virtual memory maps, handling page faults, memory management via anonymous objects and shadow objects, and system calls (in particular, the
forksyscall). At the end of this project, user-level code can be run directly from a spawned usershell.
NOTE This is a placeholder repo with no code to respect Brown's Academic Code. If you are a potential employer and would like to look at the code, please send me an email.