[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: ‘command … &’ creates subshell
From: |
Eli Schwartz |
Subject: |
Re: ‘command … &’ creates subshell |
Date: |
Wed, 1 Jul 2020 11:31:45 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 |
On 7/1/20 11:29 AM, Dmitry Alexandrov wrote:
> Robert Elz <kre@munnari.OZ.AU> wrote:
>> | > If you need to ensure a disk executable is used,
>> | Of course. Why "command" otherwise?
>>
>> That doesn't actually work, "command" can run built-ins
>
> Ah, yes, thanks for correction.
>
>> there is actually no method ‹…› which guarantees execution of an executable
>> from an external file, other than by using the complete path name
>
> Well, I am not sure whether itʼs guaranteed, but the ‘exec’ as above does
> execute an external command in GNU Bash.
And in busybox, just like "env" it runs busybox builtin applets.
--
Eli Schwartz
Arch Linux Bug Wrangler and Trusted User
signature.asc
Description: OpenPGP digital signature