Which of the following changes permission to deny write permission to group and others?

Related MCQs

• Which command is used to remove the read permission of the file 'note' from both the group and others?
• Which command is used to assign read- write permission to the owner?
• 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?
• 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:
• Effective group id can be set using following permission
• 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 umask settings doesn’t allow execute permission to be set by default on directory files
• Which of the following umask settings allow execute permission to be set by default on regular files
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