Here's something you can paste into your Linux terminal to get started:

    git clone https://github.com/jart/cosmopolitan
    cd cosmopolitan
    make -j8
    o/third_party/chibicc/chibicc.com -include libc/integral/normalize.inc -o hello.com.dbg examples/hello.c o/cosmopolitan.a
    o/third_party/gcc/bin/x86_64-linux-musl-objcopy -SO binary hello.com.dbg hello.com
    ./hello.com