そこから先はバイナリだ
$ file /bin/systemctl
/bin/systemctl: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=b1dc7abccba038e926c392c3238d0244fe937ed0, for GNU/Linux 3.2.0, stripped