from go to the web and go to the Operating System
* read and print the output gocat2.go
- go run gocat2.go ~/bob
- able to read and print the output of a file using directly ~/
- log the error from the execution of the code
* read and print the input of the terminal gocat.go
- go run gocat.go
- tell to the output what you want /home/user/file
- print the output
- log the errors from the execution of the code