What is the output of this program?
#include<stdio.h>
#include<fcntl.h>
int main()
{
int fd, count;
fd = open("demo.c",O_RDONLY);
count = write(fd,"Linux",5);
if(count != 5)
perror("write");
return 0;
}
#include<stdio.h>
#include<fcntl.h>
int main()
{
int fd, count;
fd = open("demo.c",O_RDONLY);
count = write(fd,"Linux",5);
if(count != 5)
perror("write");
return 0;
}A. it will write the string "Linux" in the beginning of source file "demo.c"
B. it will write the string "Linux" in the end of the source file "demo.c"
C. segmentation fault
D. none of the mentioned
Answer: Option D
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