Exercises

• Develop a File Transfer Protocol (FTP) client in Go.
• Next, try to develop an FTP server in Go. Is it more difficult to implement the FTP client or the FTP server? Why?
• Try to implement a Go version of the nc(1) utility. The secret when programming such fairly complex utilities is to start with a version that implements the basic functionality of the desired utility, before trying to support every possible option.
• Modify TCPserver.go so that it returns the date in one network packet and the time in another.
• Modify TCPserver.go so that it can serve multiple clients in a sequential way. Notice that this is not the same as being able to serve multiple requests concurrently. Put simply, use a for loop so that the Accept() call can be executed multiple times.
• TCP servers, such as fiboTCP.go, tend to terminate when they receive a given signal, so add signal handling code to...