On Thu, Jun 23, 2011 at 10:31 AM, Michael Tokarev <mjt@xxxxxxxxxx> wrote:
> 23.06.2011 18:11, yuyichao-mit wrote:
>
>>>>> $ cd //
>>>>> $ pwd
>>>>> //
>
> The current directory is cached in $PWD environment
> variable by shell (bash at least). This variable is
> checked in glibc (getcwd() et al) - if it is set and
> stat($PWD) is the same as stat("."), that value is used.
>
> It has nothing to do with kernel, probably the issue
> is in bash which somehow allows double slash for root
> dir (but not triple).
u r right. chdir in c and cd in csh doesn't have this problem.
it is bash stuff.
>
> /mjt
>
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