displays a message that an account is not availavle and
It is intended as a replacement shell field for accounts that
have been disabled.
It can also print per-user messages, or special messages,
depending on how it is called, or whether it can find a better
message to print.
To create a per-user message, put the text of the message in
file. Its contents will be printed if the user names USER logs
To create a message that can be used for a group of users,
create a symbolic link to a new name for the binary, and use
that name. In the
directory, place a text file of the same name, with the text
you want printed when a user with this shell name logs in.
If the program name is not nologinmsg, then that file name
is checked, and printed if that exists. If it does not, then
the standard error is printed.
If the program name is nologinmsg, and a user named file exists
then that file is printed if possible, if not, the standard
error message exists.
In all other cases, the standard message is printed.
To disable all logins,