offtopic: /lib/libc.so.6

[Jerome BENOIT <ml.jgmbenoit@mailsnare.net>]

Hello List,

after upgrading to Squeeze, I looked for a way to get the glibc version on different systems:
it appears that entering the command `/lib/libc.so.6' give the answer.
On my Squeeze box:

/lib/libc.so.6

gives

GNU C Library (EGLIBC) stable release version 2.10.2, by Roland McGrath et al.
Copyright (C) 2009 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 4.4.2.
Compiled on a Linux >>2.6.30-2-amd64<< system on 2009-11-24.
Available extensions:
       crypt add-on version 2.1 by Michael Glad and others
       GNU Libidn by Simon Josefsson
       Native POSIX Threads Library by Ulrich Drepper et al
       BIND-8.2.3-T5B
For bug reporting instructions, please see:
<http://www.eglibc.org/issues/>.

It is good to know. Nevertheless I am curious to know how we can make a libXXX.so file prints something.
Does anyone have any hint ?

Thanks,
Jerome