mkdir -p $GOPATH/src/github.com/methsaan/whatsup
cat $GOPATH/src/github.com/methsaan/whatsup/whatsup.go
```
package main
import "fmt"
func main() {
fmt.Println("what up dude!")
}
```
go install github.com/methsaan/whatsup
cd $HOME/programming/go/bin
ls
hello whatsup
./whatsup
what up dude!