1.file /etc/init
2.file /bin/cat
3.uname -a
4.uname -m
5.arch
sbin/init: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for GNU/Linux 2.6.9, dynamically linked (uses shared libs), for GNU/Linux 2.6.9, stripped
一目了然