specifies the permissions to set when opening the file. This is modified by the umask setting. The real permissions are Mode and not umask. The return value of the function is the file descriptor, or a negative Program Example27 ; { Program to demonstrate the Umask function . } Uses BaseUnix ; begin Writeln ( ' Old Umask was : ' ,fpUmask (&111)); WRiteln ( 'New Umask i s : ' ,&111); end . 1.4.94 FpUname Synopsis: mmap calls. CLONE_FSParent and child have the same view of the file system; the chroot, chdir and umask calls affect both processes. CLONE_FILESthe file descriptor table of parent and child is shared.