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copied!<ol> <li>Use <code>ldd</code> to list shared libraries for each executable.</li> <li>Cleanup the output</li> <li>Sort, compute counts, sort by count</li> </ol> <p>To find the answer for all executables in the "/bin" directory:</p> <pre><code>find /bin -type f -perm /a+x -exec ldd {} \; \ | grep so \ | sed -e '/^[^\t]/ d' \ | sed -e 's/\t//' \ | sed -e 's/.*=..//' \ | sed -e 's/ (0.*)//' \ | sort \ | uniq -c \ | sort -n </code></pre> <p>Change "/bin" above to "/" to search all directories.</p> <p>Output (for just the /bin directory) will look something like this:</p> <pre><code> 1 /lib64/libexpat.so.0 1 /lib64/libgcc_s.so.1 1 /lib64/libnsl.so.1 1 /lib64/libpcre.so.0 1 /lib64/libproc-3.2.7.so 1 /usr/lib64/libbeecrypt.so.6 1 /usr/lib64/libbz2.so.1 1 /usr/lib64/libelf.so.1 1 /usr/lib64/libpopt.so.0 1 /usr/lib64/librpm-4.4.so 1 /usr/lib64/librpmdb-4.4.so 1 /usr/lib64/librpmio-4.4.so 1 /usr/lib64/libsqlite3.so.0 1 /usr/lib64/libstdc++.so.6 1 /usr/lib64/libz.so.1 2 /lib64/libasound.so.2 2 /lib64/libblkid.so.1 2 /lib64/libdevmapper.so.1.02 2 /lib64/libpam_misc.so.0 2 /lib64/libpam.so.0 2 /lib64/libuuid.so.1 3 /lib64/libaudit.so.0 3 /lib64/libcrypt.so.1 3 /lib64/libdbus-1.so.3 4 /lib64/libresolv.so.2 4 /lib64/libtermcap.so.2 5 /lib64/libacl.so.1 5 /lib64/libattr.so.1 5 /lib64/libcap.so.1 6 /lib64/librt.so.1 7 /lib64/libm.so.6 9 /lib64/libpthread.so.0 13 /lib64/libselinux.so.1 13 /lib64/libsepol.so.1 22 /lib64/libdl.so.2 83 /lib64/ld-linux-x86-64.so.2 83 /lib64/libc.so.6 </code></pre> <p>Edit - Removed "grep -P"</p>

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