On Fri, 14 Jan 2011, Robert Spangler wrote: > On Friday 14 January 2011 04:01, Ritika Garg wrote: > >> When I give the command "cp file1 file2" then the error comes: >> cp: cannot create regular file `file2': Input/output error >> >> This occurs sometimes and it occurs when I am giving the command inside a >> external hard disk which is mounted by "ntfs-3g" manually. >> Why does this error come? > > I believe it is self explanatory. Looks like you don't have write > permissions on the drive. Check your permissions. Since when does Input/output error equate to a permissions problem? If that's the case, surely that's a bug in ntfs-3g as it's returning the wrong error code. jh