umask(2) umask(2) NAME umask - set and get file creation mask SYNOPSIS #include <sys/types.h> #include <sys/stat.h> mode_t umask(mode_t cmask); DESCRIPTION umask sets the process's file mode creation mask to cmask and returns the previous value of the mask. Only the access permission bits of cmask and the file mode creation mask are used. FILES Message catalog: uxcore.abi SEE ALSO mkdir(1), sh(1), chmod(2), creat(2), mknod(2), open(2), stat(5) DIAGNOSTICS The previous value of the file mode creation mask is returned. Page 1