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## The hunt for /etc/.pwd.lock

After upgrade Debian to kernel 3.0.0, I saw a hidden file called .pwd.lock in /etc which I didn’t noticed before. Checking other machines gave the same result as shown below, but both without a matching Debian-package or manpage. $ls -l /etc/.pwd.lock -rw——-. 1 root root 0 feb 27 2009 /etc/.pwd.lock$ ls -l –time=atime […]