#PermissionrwxBinary7read, write and executerwx1116read and writerw-1105read and executer-x1014read onlyr–1003write and execute-wx0112write only-w-0101execute only–x0010none—000 For example, 754 would allow: “read”, “write”, and “execute” for the user class, as the binary value of 7 is 111.“read” and “execute” for the Group class, as the binary value of 5 is 101.Only “read” for the Others class, as the binary value of 4 is 100.