New post & video on how WSL System Calls work


One of the most interesting things about the Windows Subsystem for Linux (WSL) is its ability to run unmodified Linux ELF64 binaries atop the Windows Kernel.

How?” is a question we receive regularly from many of you. Ask and ye shall receive 🙂

In this new post, Stephen Hufnagel explains to Seth Juarez how WSL System Calls (syscalls) work, transitioning user-mode calls to kernel-mode handler & subsequent dispatch, and back again.



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