user/config_linux.go
func loadConfig() {
	config.Do(func() {
		//checkRoot()
		if err := config.init(); err != nil {
			panic(err)
		}
	})
}
func loadConfig() {
	config.Do(func() {
		//checkRoot()
		if err := config.init(); err != nil {
			panic(err)
		}
	})
}
// loadConfig loads user configuration.
// It has to be loaded before of edit some file.