From: Liu Xin <navy.xliu@gmail.com>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: zsh-workers@zsh.org
Subject: Re: An incompatible behavior from bash?
Date: Mon, 22 Aug 2022 22:42:05 -0700 [thread overview]
Message-ID: <CAHPdc0mHAJJEydvN2mHx2M8NE+MYLN9ge3pnysNmcf4K_8C9ug@mail.gmail.com> (raw)
In-Reply-To: <CAH+w=7YuaE29k7poNY-QbTpiKFeUXGjnP9S0ZLp_g+zqfUdkqA@mail.gmail.com>
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Ok, thanks for the clarification.
On Mon, Aug 22, 2022 at 2:44 PM Bart Schaefer <schaefer@brasslantern.com>
wrote:
> On Mon, Aug 22, 2022 at 1:00 AM Liu Xin <navy.xliu@gmail.com> wrote:
> >
> > I hold the wrong impression that zsh is compatible with bash. I just
> assume it because I see both Ubuntu and MacOS have replaced bash with it.
>
> Zsh is mostly compatible with POSIX shell provided that it is invoked
> via the name "sh" (e.g., when linked to /bin/sh). Bash is similarly
> compatible with POSIX when run this way. When run under their own
> names, zsh and bash differ from POSIX in different ways.
>
> Apple and Ubuntu appear to have concluded that zsh's POSIX
> compatibility is sufficient to use it as "sh". I won't speculate on
> other motivations.
>
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prev parent reply other threads:[~2022-08-23 5:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-19 22:32 Liu Xin
2022-08-20 0:39 ` Lawrence Velázquez
2022-08-22 7:54 ` Liu Xin
2022-08-22 21:44 ` Bart Schaefer
2022-08-23 5:42 ` Liu Xin [this message]
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