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Date: Mon, 2 Mar 2015 12:16:52 -0800
Message-ID: <CABx2=D8AR97S3eFcM60NO3seu_-jLueDPjB8-nvVh7HnbSPFwg@mail.gmail.com>
Subject: Re: grammar triviality with '&&'
From: Kurtis Rader <krader@skepticism.us>
To: ZyX <kp-pav@yandex.ru>
Cc: Zsh Users <zsh-users@zsh.org>, Ray Andrews <rayandrews@eastlink.ca>
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On Mar 2, 2015 11:03 AM, "ZyX" <kp-pav@yandex.ru> wrote:
>
> Why hardlink and why in /bin?
>
> % la /usr/bin/{test,\[}
> -rwxr-xr-x 1 root 39K =D1=8F=D0=BD=D0=B2 31 04:03 /usr/bin/[*
> -rwxr-xr-x 1 root 35K =D1=8F=D0=BD=D0=B2 31 04:03 /usr/bin/test*
>
> : you see there is a 4K difference. Not sure why, but both belong to
coreutils package.

A hardlink simply attaches a name to a file in UNIX like OSs. You can give
a file multiple names by creating multiple hardlinks. These commands are
normally in /bin because in the past the root and /usr file systems were
separated and those commands were needed before /usr was mounted.

It is strange that those two commands point to different programs on your
computer. It may be a simple mistake. Or maybe the maintainers of your
distro did it to maximize compatibility among the ancient and less ancient
parts of the distro.

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