What is the output of this program?
#include<stdio.h>
#include<fcntl.h>
int main()
{
int fd, count;
fd = open("demo.txt",O_WRONLY|O_CREAT);
count = write(fd,"Linux System Programming",5);
if(count != 5)
perror("write");
return 0;
}
#include<stdio.h>
#include<fcntl.h>
int main()
{
int fd, count;
fd = open("demo.txt",O_WRONLY|O_CREAT);
count = write(fd,"Linux System Programming",5);
if(count != 5)
perror("write");
return 0;
}A. it will create a file "demo.txt" in the present working directory
B. it will write the string "Linux System Programming" in the file "demo.txt"
C. all of the mentioned
D. none of the mentioned
Answer: Option A
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