There are 13 movie clips. Move your mouse to upper right corner and you can change to another movie clip.
References:
1. Emulators: MS-DOS in Windows 10.
2, Programming ways – programming paradigms.
3. Computer language generations –
1GL – machine codes,
2GL – Assembly (MASM),
3GL (fortran, cobol, c, c++, java),
4GL – python,
5GL.
4. Essential application programs – browser, word, excel, …
5. For Mac users, please search “run windows on mac”. You may need the windows emulator to exercise the dos batch file programming.
DOS Batch file references:
Windows Batch File Scripting
Batch script operators: tutorialspoint
Comparison operators: EQU or ==, NEQ, LSS, LEQ, GTR, GEQ