Ja pouzivam file:

$ file whichIP 
whichIP: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, stripped
$ file /lib64/ld-linux-x86-64.so.2
/lib64/ld-linux-x86-64.so.2: symbolic link to ld-2.22.so
$ file /lib64/ld-2.22.so 
/lib64/ld-2.22.so: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, stripped