IN LINUX

1.Use "objdump -D -M intel ex1" to dump the assembly code of ex1.c. Find

ex1 is ex1.c's excuation file.

ex1.c :

#include

int main()

{

printf("Hellow ");

fflush(stdout);

for(;;);

return 0;

}

2.What is the function of $ ./ex1 & 

3. Run following and tell the difference between gets and fgets

#include

#include

int main(){

char buf[20];

printf("enter a sentence ");

gets(buf);

printf("I got %s from you. length:%d ", buf, strlen(buf));

printf("enter the same sentence again ");

fgets(buf, 20, stdin);

printf("I got %s from you. length:%d ", buf, strlen(buf));

}

4.Write a program to read a sentence and echo it as follows. Use gets() or fgets(). Do "man gets" or "man fgets" to find out the usage of them.

Enter a sentence

aa bcd e e ff aa bcd bcd hijk lmn al bcd

You entered aa bcd e e ff aa bcd bcd hijk lmn al bcd