(if any) on which the executable work runs, or a compiler used to
produce the work, or an object code interpreter used to run it.

  The "Corresponding Source" for a work in object code form means all
the source code needed to generate, install, and (for an executable
work) run the object code and to modify the work, including scripts to
control those activities.  However, it does not include the work's

pkg os/exec, func LookPath(string) (string, error)
pkg os/exec, method (*Cmd) CombinedOutput() ([]uint8, error)
pkg os/exec, method (*Cmd) Output() ([]uint8, error)
pkg os/exec, method (*Cmd) Run() error
pkg os/exec, method (*Cmd) Start() error
pkg os/exec, method (*Cmd) StderrPipe() (io.ReadCloser, error)
pkg os/exec, method (*Cmd) StdinPipe() (io.WriteCloser, error)