Awesome
Raw System Calls for Nim 
Low level system calls, currently Linux x86 & x86_64 only, but meant to be extended on demand.
Example
discard syscall(WRITE, 1, cstring("Hello!\n"), 7)
Low level system calls, currently Linux x86 & x86_64 only, but meant to be extended on demand.
discard syscall(WRITE, 1, cstring("Hello!\n"), 7)