Commands for executing a C++ program in Unix OS - C++

Program is created with the help of a text editor, which is either ed or vi in the case of UNIX operating systems. The files should be saved with the extension either .C or .cc. CC filename is the command, which is used is used for compiling and linking the file created under UNIX operating systems. The compiled and linked program is called the executable object code, and is stored in another file name a.out. The file a.out is executed by simply keying a.out in the systems prompt.