Of course, the environment will ask you if you want to save when you try to exit, but you never know when the server might crash and leave you hanging, so best to save it right away. You can t save anything here. This is a bit overkill, but I was thinking in terms of projects. However, it turns out that you don t have to create a project for simple programs, so saving everything in one directory shouldn t be confusing. You shouldn t have to type the extension of CBL as long as that is the file-type indicated.
Compilation translates the source file into something more efficiently processed by the computer.
In the process of trying to translate the program, some problems may be found in the way the program is described. Since the compiler isn t very smart, it can t guess what you meant to say, so it gives up with an error message. Once the program is checked, it highlights the first executable statement in the procedure division, indicating it is ready to start your program from this point. Some of the buttons below allow you to step through the program, one command at a time. You can examine the values of variables and make certain they are getting the correct values.