B. Write linux commands for the following tasks, you might use several commands to accomplish these tasks:

1. Assume you have a file hello.c in a sub folder csci489, copy the file to the usr directory under root directory, the root directory is /root

2. how to save the file in nano? How to delete a file in linux terminal?

MV File, RM FileName

3. Log to the linux server, go to the /etc directory, open the file named passwd. Show the complete line that start with gdm

4. Show the commands to: g++ to Compile hw1.cpp and link with pthread library, name the executable file as myex. then run the executable program.

5. List all .cpp files in the current directory