$ go tool link -o main main.o
package main import ( "fmt" ) func main() { fmt.Println("Hello, world!") }This is a code example that uses the go cmd.link.internal.ld Link tool to generate an executable file from a Go program. The package library being used is "fmt". In conclusion, the go cmd.link.internal.ld Link tool is an important part of the Go programming language that enables developers to create executable files from their programs. The package libraries used in the examples above are "fmt".