Question is at the right

Previous Writing to files Next Indent code - Include headers Settings Writing to files - 2 Video Search Code File Browser Man Page Search tomorrow 12 program.c 1 #include #include 3 #include #include 5- int main() { mode_t mode = S_IROTH; 7 int file = open("message.txt", O_CREATO_APPEND | O_RDWR, mode); write(file, "hello!!,6); 9 return 0; } Modify the program so that Anyone can read your text file (hint: which mode flag corresponds to "others have read permission"?) Rather than truncate the file back to zero length each time, new text is appended to the end. For example, running your program twice, and then cat message.txt you should see "hello!hello!". - $ ./program $ cat message.txt hello!- $