$ ldd aaa
        linux-vdso.so.1 (0x00007ffd0e4c6000)
        libperl.so.5.30 => /lib64/libperl.so.5.30 (0x00007fe9264b5000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fe926493000)
        libdl.so.2 => /lib64/libdl.so.2 (0x00007fe92648c000)
        libc.so.6 => /lib64/libc.so.6 (0x00007fe9262c3000)
        libm.so.6 => /lib64/libm.so.6 (0x00007fe92617d000)
        libcrypt.so.2 => /lib64/libcrypt.so.2 (0x00007fe926142000)