Last updated on July 9, 2020 by Dan Nanni
glibc
) that I have on my Linux system. How can I check glibc
version on Linux?The GNU C library (glibc
) is the GNU implementation of the standard C library. glibc
is a critical component of the GNU toolchain, which is used along with binutils and compiler to generate userspace application binaries for a target architecture.
When built from source, some Linux programs may be required to link against a particular version of glibc
. In that case, you may want to check out the information about installed glibc
to see if dependencies are met.
Here are simple ways to check glibc
version on Linux.
A simple command-line to check the version of the GNU C library is as follows.
$ ldd --version
In this example, the version of glibc
is 2.19.
Another method is to "type" the glibc
library (i.e., libc.so.6
) from the command line as if it were a command.
The output will show more detailed information about glibc
library, including the version of glibc
and the GNU compiler used, as well as available glibc
extensions. The location of glibc
varies depending on distros and processor architectures.
On 64-bit Debian based system:
$ /lib/x86_64-linux-gnu/libc.so.6
on 32-bit Debian based system:
$ /lib/i386-linux-gnu/libc.so.6
On 64-bit Red Hat based system:
$ /lib64/libc.so.6
On 32-bit Red Hat based systems:
$ /lib/libc.so.6
Here is the sample output of typing glibc
library.
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