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From: konczal@sunmgr.ncsl.nist.gov (Joe Konczal)
Newsgroups: comp.unix.internals
Subject: passwd
Message-ID: <24600@adm.BRL.MIL>
Date: 25 Sep 90 19:24:14 GMT
Sender: news@adm.BRL.MIL
Lines: 7

It is not hard to use crypt(3) to write a program that will read a
password from a file, encrypt it, and put it into /etc/passwd.  Read
the man page.  It is not recommended to keep unencrypted passwords
lying around, though, since your passwords will be only as secure as
the file containing them.

--Joe Konczal		konczal@mail-gw.ncsl.nist.gov