方法一:
找到libc的DSO(dynamic shared object)并运行它,如下所示: [whb@jcwkyl ~]$ locate libc.so /lib/libc.so.6 /lib/i686/nosegneg/libc.so.6 /usr/lib/libc.so [whb@jcwkyl ~]$ /lib/libc.so.6 GNU C Library stable release version 2.5, by Roland McGrath et al. Copyright (C) 2006 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 4.1.2 20070626 (Red Hat 4.1.2-14). Compiled on a Linux 2.6.9 system on 2008-05-23. Available extensions: The C stubs add-on version 2.1.2. crypt add-on version 2.1 by Michael Glad and others GNU Libidn by Simon Josefsson GNU libio by Per Bothner NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk Native POSIX Threads Library by Ulrich Drepper et al BIND-8.2.3-T5B RT using linux kernel aio Thread-local storage support included. For bug reporting instructions, please see: <http://www./software/libc/bugs.html>. 方法二: 将下面的C代码编译运行:
[whb@jcwkyl c]$ gcc checkglibcversion.c -o checkglibcversion [whb@jcwkyl c]$ ./checkglibcversion 2.5
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