Does anyone know what the '!!' represents in the password/shadow files in Linux? I'm writing a little program that will update a user's password.
Thanks
As it's found in the password column I would be fairly sure it is just a placeholder for a user set-up without a password, e.g. after a '/usr/sbin/adduser joeuser' type command.
I can't find anything to confirm the above but you might be interested to look at this article about shadow passwords in general -->
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