You are the administrator for a group of shell script developers.

Enter set –o vi on the command line, or include it in each user's startup script.

Enter umask –s on the command line, or include it in each user's startup script.

Enter umask 000 on the command line, or include it in each user's startup script.

Enter umask 777 on the command line, or include it in each user's startup script.

It is not possible to automatically set the execute bit on with the umask setting, or vi option.

Enter umask 766 the command line, or include it in the global startup script for the default shell.