uname -a
uname -m
getconf WORD_BIT WORD_BIT不论在32bit系统还是64bit系统都是32 可以查LONG_BIT,在32bit系统和64bit系统是不一样的。 不过,uname -a就完全可以解决的。
用这个看一下: file /bin/ls
如果显示像这样:
/bin/ls: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.6.0, dynamically linked (uses shared libs), stripped
说明是:32 bit;
如果显示像这样:
/bin/ls: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), for GNU/Linux 2.6.0, dynamically linked (uses shared libs), stripped
这是64 bit.
jingwen@jingwen-virtual-machine:~$ uname -a
Linux jingwen-virtual-machine 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 UTC 2011 i686 i686 i386 GNU/Linux
jingwen@jingwen-virtual-machine:~$ uname -m
i686
jingwen@jingwen-virtual-machine:~$ getconf WORD_BIT
32
jingwen@jingwen-virtual-machine:~$
用这个看一下: file /bin/ls
如果显示像这样:
/bin/ls: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.6.0, dynamically linked (uses shared libs), stripped
说明是:32 bit;
如果显示像这样:
/bin/ls: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), for GNU/Linux 2.6.0, dynamically linked (uses shared libs), stripped
这是64 bit.