The root node in the file system is write as

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• Below is the codeint main() { int fd1, fd2; struct stat buff1, buff2; fd1 = open(“1.txt”, O_RDWR); fd2 = open(“2.txt”, O_RDWR | O_APPEND); lseek(fd1, 10000, SEEK_SET); write(fd1, “abcdefghij”, 10); write(fd2, “abcdefghij”, 10); fstat(fd1, &buff1); fstat(fd2, &buff2); printf(“ %d %d”, buff1.st_size, buff2.st_size); return 0; } Before running the program, the file 1.txt and 2.txt size is 20 each. What is the output?
• If are does not want anyone else to read or write to a file named datfile,except through a program in a file filex,then he may use
• If one doesn't want anyone else to read or write to a file named datfile, except through a program in a file filex , then he may use
• Non leaf node of the file system structure is …………..
• ode snippets str1=”45678\n” str2=”123\n” f1 = fopen(file1,RDWR,RWX) f2 = fopen(file1,RDWR,RWX) write(f1,str1,len_str1) write(f2,str2,len_str2) o/p:
• If you are a root user, how can you grand execute permission only for the owner of the file project1?
• The kernel itself is a program that usually lives in the root partition of the UNIX filesystem. Most Linux distributions call it           and it often a symbolic link to the real kernel file which lives in “/boot”.
• If a file has read and write permissions for the owner, then the octal representation of the permissions will be
• Which of these commands will set the permissions on file textfile to read and write for the owner, read for the group, and nothing for everyone else?
• Which of the following time stamps need not exist for a file on traditional unix file system