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Date: Sat, 01 Sep 2001 14:07:17 -0700
To: cygwin AT cygwin DOT com, Jon Mitchell <jonmitchell AT softhome DOT net>
From: Randall R Schulz <rrschulz AT cris DOT com>
Subject: Re: Disk Space for Cygwin
In-Reply-To: <3B914701.4B6E9342@softhome.net>
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Jon,

Are you using a FAT volume? What's the total capacity? More importantly, 
what's the allocation granularity for that volume?

Cygwin, like its Unix counterparts, comprises very many small files. My 
full and current Cygwin directory includes 14,522 files totalling 
209,909,451 bytes. On my NTFS volume, the actual space occupied by these 
files is 236 MB. The average file size in my installation 14,455. If your 
file system volume is using 32 kilobyte allocation units, for example, 
you'd expect the overall installation to occupy about 475 megabytes instead 
of the 236 on my NTFS. If you have 64 kilobyte allocation units, the total 
installation would require about 950 megabytes.

In short, it's internal fragmentation of disk files that's making your 
install so bloated.

Just another reason NTFS is preferable to FAT.

Randall Schulz
Mountain View, CA USA


At 13:37 2001-09-01, you wrote:
>I have tried to install cygwin to Win95 using setup.exe to a partition
>with 600MB free space but it runs out of disk space.
>
>Using Explorer the C:\cygwin directory has about 185MB after failing but
>I actually have lost 600MB.  After deleting C:\Cygwin, I get all 600MB
>back.
>
>Is this normal?
>
>Jon. Mitchell
>
>
>
>
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