On 01/12/2012 12:05 AM, Joachim Backes wrote:
Hi all,
adding a new user with "useradd ..." will create two additional files
never removed:
/etc/passwd- and /etc/shadow-
Question: are these files only created for backup purposes, or is there
another reason for this?
/etc/passwd is world-readable, and contains the basic account info (id,
real name, home folder).
/etc/shadow is root-only-readable, and contains the password info.
They are separate to improve security.
They are not backups. Those are the main files for local authentication.
- Mike
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