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Date: Thu, 12 Apr 2007 12:56:15 -0400 (EDT)
From: Igor Peshansky <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Jeff Hawk <Jeff DOT Hawk AT navigon DOT com>
cc: Thorsten Kampe <thorsten AT thorstenkampe DOT de>,
   "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: RE: bash: tar: command not found
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On Thu, 12 Apr 2007, Jeff Hawk wrote:

> > -----Original Message-----
> > From: On Behalf
> > Of Thorsten Kampe
> > Sent: Thursday, April 12, 2007 11:03 AM
> > To: cygwin AT XXXXXX DOT XXX

<http://cygwin.com/acronyms/#PCYMTNQREAIYR>.  Thanks.

> > Subject: RE: bash: tar: command not found
> >
> >
> > \cygwin\usr\bin and \cygwin\usr\lib are /real/ directories created by
> > the initial Cygwin installation routine. He shouldn't delete those
> > directories - just keep them empty...
>
> Not true...
>
> I have Cygwin installed and there is NO c:\cygwin\usr\bin directory
>
> As has been mentioned before, /usr/bin is a *mount* point, not a real
> directory.
>
> 0> mount
> C:\cygwin\bin on /usr/bin type system (binmode)   <<<<<<<<<<<
> C:\cygwin\lib on /usr/lib type system (binmode)
> C:\cygwin on / type system (binmode)
>
> Like that ^^^^^^^^^^^

Having a real /cygdrive/c/cygwin/usr/bin directory is harmless.  Cygwin
shadows it with a mount.  Files in that directory do not break Cygwin --
they are simply ignored.  It was useful to have it with older versions of
Cygwin, to allow tab completion of .../bin and .../lib in /usr.  I believe
the newer Cygwin DLL versions manifest mounts and virtual filesystems as
directory entries, and thus having the real /cygdrive/c/cygwin/usr/bin
(and .../lib) is not necessary anymore.
HTH,
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_	    pechtcha AT cs DOT nyu DOT edu | igor AT watson DOT ibm DOT com
ZZZzz /,`.-'`'    -.  ;-;;,_		Igor Peshansky, Ph.D. (name changed!)
     |,4-  ) )-,_. ,\ (  `'-'		old name: Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

Freedom is just another word for "nothing left to lose"...  -- Janis Joplin

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