please help me! can you show me how is algorithm of reproduce of Del command in C

[phuong_bk]

Hello every body! I am Phuong. I come from Vietnammes.
I have a exercise about interrupt programming in C.
My task is write a program reproduce Del command in Dos.
But i donot know algorithm yet.
Can you show me how is algotithm and illustrate program.
Thanks you very much!!

[c++0x]

y u use interrupt for del? That not necesary. Jus use unlink() or remove() or wutevr ur os may half as OS spesific.