A server-less Linux virtual environment running fully browser-side HTML5/WebAssembly. WebVM is powered by the CheerpX virtualization engine, which enables safe, sandboxed client-side execution of x86 binaries on any browser. CheerpX is powered by an x86 to WebAssembly binary translation JIT compiler, a virtual block-based file system, and a Linux syscall emulator. It supports full TCP and UDP net