B_zhang的专栏

<br />出错信息：<br />bash-2.05b# mount 192.168.13.27:/home/zb/ /mnt/nfs/                             <br /> Using fallback suid method                                                      <br /> nfs warning: mount version older than kernel                   

按键盘一次会重复显示，如：a会显示aa。后来胡弄一气后显示Display all 315 possibilities? (y or n) y恢复正常

<br /> <br />It happens all the time doesn’t it? You need to unmount a CD or you want to pack away the external drive but when you try to umount it you get the dreaded “device is busy” message. Wouldn’t it be great if Linux actually told you what w