GW-BASIC provides a IDE (Integrated Development Environment ) where we can write ,edit, save ,load and execute BASIC programs.
As you could see in above picture that there are some options at bottom of the picture that are F1 List, F2 Run, F3 Load, F4 Save, F5 Cont, F6 LPT1, F7 TRON, F8 TROFF, F9 KEY AND F10 SCREEN.
Displays the program listing from RAM
Execute the program if available
Read a program in to RAM from Disk
Write a program from RAM to disk
Continues program after STOP command
Send the out put to the Printer
Displays each line number when program is running
Shuts off the TRON function
Used with different Key functions.
Changes the screen with default settings.