挺好的测试。 运行程序前载入指令到内存并运行，这个时候再去删除载入的文件系统上的文件，不冲突。 On Sat, Apr 16, 2011 at 07:49:28PM +0600, David Lee wrote: > jdl@SJDL:~$ uname -a > Linux SJDL 2.6.35-28-generic-pae #50-Ubuntu SMP Fri Mar 18 20:43:15 UTC 2011 > i686 GNU/Linux > jdl@SJDL:~$ cp `which rm` `which rm`.bak > cp: cannot create regular file `/bin/rm.bak': Permission denied > jdl@SJDL:~$ sudo cp `which rm` `which rm`.bak > [sudo] password for jdl: > jdl@SJDL:~$ ls -l `which rm`* > -rwxr-xr-x 1 root root 46756 2010-06-11 13:11 /bin/rm > -rwxr-xr-x 1 root root 46756 2011-04-16 19:46 /bin/rm.bak > -rwxr-xr-x 1 root root 34332 2010-06-11 13:11 /bin/rmdir > jdl@SJDL:~$ sudo rm `which rm` > jdl@SJDL:~$ ls -l /bin/rm* > -rwxr-xr-x 1 root root 46756 2011-04-16 19:46 /bin/rm.bak > -rwxr-xr-x 1 root root 34332 2010-06-11 13:11 /bin/rmdir > jdl@SJDL:~$ mv /bin/rm > rm.bak rmdir > jdl@SJDL:~$ sudo mv /bin/rm.bak /bin/rm > jdl@SJDL:~$ > > 2011/4/16 Pointer Royden <pointertopoint...@gmail.com> > > > 自己在虚拟机里试试就知道了~ > > > > 2011/4/16 forest chen <anyform...@gmail.com> > > > > > 好像新的内核禁止了这条命令。 > > > > > > On Apr 16, 2011 8:42 PM, "唐毅明" <yiming...@gmail.com> wrote: > > > > > > 今天在twitter看到这样一条命令 sudo rm -rf /* > > > 请问这样之后能彻底删掉 系统文件吗？ 遇到rm 怎么办？ > > > > > > -- > > > Yiming Tang > > > > > > Software Institute of Nanjing University Nanjing, P.R.China > > > Web: http://xianqu.org > > > Email: yiming...@gmail.com > > > Follow me via twitter: @krafttuc <http://twitter.com/krafttuc> > > > -------------- 下一部分 -------------- > > > 一个HTML附件被移除... > > > URL: < > > > > > > > > https://lists.ubuntu.com/archives/ubuntu-zh/attachments/20110416/a9f3b8fd/attachment.html > > > > > > > -- > > > ubuntu-zh mailing list > > > ubuntu-zh@lists.ubuntu.com > > > https://lists.ubuntu.com/mailman/listinfo/ubuntu-zh > > > -------------- 下一部分 -------------- > > > 一个HTML附件被移除... > > > URL: < > > > > > https://lists.ubuntu.com/archives/ubuntu-zh/attachments/20110416/118caa3e/attachment.html > > > > > > > -- > > > ubuntu-zh mailing list > > > ubuntu-zh@lists.ubuntu.com > > > https://lists.ubuntu.com/mailman/listinfo/ubuntu-zh > > > > > -------------- 下一部分 -------------- > > 一个HTML附件被移除... > > URL: < > > https://lists.ubuntu.com/archives/ubuntu-zh/attachments/20110416/d62e9161/attachment.html > > > > > -- > > ubuntu-zh mailing list > > ubuntu-zh@lists.ubuntu.com > > https://lists.ubuntu.com/mailman/listinfo/ubuntu-zh > > > > > > -- > Regards, David > -------------- 下一部分 -------------- > 一个HTML附件被移除... > URL: > <https://lists.ubuntu.com/archives/ubuntu-zh/attachments/20110416/b3bd19ed/attachment.html> > -- > ubuntu-zh mailing list > ubuntu-zh@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/ubuntu-zh
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