... Chapter 2,“Writing Good GNU /Linux Software,” Section 2.1.7,“Using Temporary Files,” we showed how to use mkstemp to create temporary files Unfortunately, what mkstemp does on Linux is open the file ... manager, you might want to create a file that any manager can read but that ordinary employees cannot Linux doesn’t allow you to associate multiple user IDs with a file, so you can’t just create a list ... In contrast, an earlier operating system that had multiple special users was called MULTICS GNU /Linux, of course, is mostly compatible with UNIX 12 0430 CH10 5/22/01 10:42 AM Page 200 200 Chapter...