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Golang os.Getgid() Function with Examples

Golang | os.Getgid() Function: Here, we are going to learn about the Getgid() function of the os package with its usages, syntax, and examples.
Submitted by IncludeHelp, on November 18, 2021


In the Go language, the os package provides a platform-independent interface to operating system (Unix-like) functionality. The Getgid() function is an inbuilt function of the os package, it is used to get the numeric effective group id of the caller.

It accepts nothing and returns an integer value containing the numeric effective group id of the caller.

Note: On Windows systems, it returns -1.


func Getgid() int


  • None

Return Value

The return type of the os.Getgid() function is an int, it returns the numeric effective group id of the caller.


// Golang program to demonstrate the
// example of Getgid() function

package main

import (

func main() {
	id := os.Getgid()
	fmt.Printf("id: %T, %v\n", id, id)


id: int, 14020

Golang os Package »

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