fork_exec/1

Documentation
- Reference manual
- Packages
  - SWI-Prolog C-library
    - library(unix): Unix specific operations
      - fork/1
      - fork_exec/1
      - exec/1
      - wait/2
      - kill/2
      - pipe/2
      - dup/2
      - detach_IO/1
      - detach_IO/0
      - prctl/1
      - sysconf/1

Availability::- use_module(library(unix)).(can be autoloaded)

[det]fork_exec(+Command)

Fork (as fork/1) and exec (using exec/1) the child immediately. This behaves as the code below, but bypasses the check for the existence of other threads because this is a safe scenario.

fork_exec(Command) :-
      (   fork(child)
      ->  exec(Command)
      ;   true
      ).