1umask [ -S ] [ mask ] 2 The umask is set to mask. mask can be either an octal number or 3 a symbolic value as described in chmod(1). If mask is omitted, 4 the current value is printed. The -S option causes the mask to 5 be printed as a symbolic value. Otherwise, the mask is printed 6 as an octal number. Note that in the symbolic form the permis- 7 sions you specify are those which are to be allowed (not denied) 8 to the users specified. 9