SuSE Linux: All versions
snbarth@descartes:~ > /lib/libc.so.6 GNU C Library stable release version 2.1.3, by Roland McGrath et al. Copyright (C) 1992, 93, 94, 95, 96, 97, 98, 99 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 2.95.2 19991024 (release). Compiled on a Linux 2.2.14 system on 2000-03-11. Available extensions: GNU libio by Per Bothner crypt add-on version 2.1 by Michael Glad and others linuxthreads-0.8 by Xavier Leroy NoVersion patch for broken glibc 2.0 binaries BIND-4.9.7-REL NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk NSS V1 modules 2.0.2 by Thorsten Kukuk libthread_db work sponsored by Alpha Processor Inc Report bugs using the `glibcbug' script to <bugs@gnu.org>.The version number is displayed on the first line: 2.1.3.
Please note: This procedure works with new glibc only, i.e. those whose file names contain a "6" such as libc.so.6 in the example above.