diff --git a/src/os/exec.go b/src/os/exec.go
index fada70f479..33413b9a39 100644
--- a/src/os/exec.go
+++ b/src/os/exec.go
@@ -62,7 +62,7 @@ type Process struct {
 }
 
 func StartProcess(name string, argv []string, attr *ProcAttr) (*Process, error) {
-	return nil, &PathError{Op: "fork/exec", Path: name, Err: ErrNotImplemented}
+	return startProcess(name, argv, attr)
 }
 
 func (p *Process) Wait() (*ProcessState, error) {
diff --git a/src/os/exec_linux.go b/src/os/exec_linux.go
index 345b32b04e..0fc98d8a51 100644
--- a/src/os/exec_linux.go
+++ b/src/os/exec_linux.go
@@ -101,7 +101,7 @@ func forkExec(argv0 string, argv []string, attr *ProcAttr) (pid int, err error)
 // The StartProcess function creates a new process by forking the current process and then calling execve to replace the current process with the new process.
 // It thereby replaces the newly created process with the specified command and arguments.
 func startProcess(name string, argv []string, attr *ProcAttr) (p *Process, err error) {
-	pid, err := ForkExec(name, argv, attr)
+	pid, err := forkExec(name, argv, attr)
 	if err != nil {
 		return nil, err
 	}
diff --git a/src/os/exec_posix_test.go b/src/os/exec_linux_test.go
similarity index 100%
rename from src/os/exec_posix_test.go
rename to src/os/exec_linux_test.go