ENV(1) >>>>> >>>>>>>> ENV(1)
>>>>>
env - >>>>> >>>>>> >> >>>>
>>>>>
>>>>
env [>>>>]... [-] [>>>>>=>>>>>>]...
[>>>>> [>>>>>]...]
>>>>>
>>>>> >> NAME >>> VALUE >> >>>>>>
>>>>>> COMMAND.
>>>>>>>>> >>>>>>>>>
>>>>>>>> >>>>>>> >>>>>>>
>>>>>>>> >>>>>>> >>>>>.
-a, --argv0=ARG
>>>>> ARG >>>>>> >>>>>
>>>>> COMMAND
-i, --ignore-environment
>>>>> >>>>> >>>>>
-0, --null
>>>> >> >>> >>>>>> >> NUL>
>>>> >>>> >>>>
-u, --unset=NAME
>>>>> >>>>> >> >>>>>>
-C, --chdir=DIR
>>>>> >>>> >>>>> >>> DIR
-S, --split-string=S
>>>>>> >>>>>> S >>>
>>>>> >>>>>>> >>>>>>>
>>>>>> >>>>> >>>>>> >>
>>>> shebang
--block-signal[=SIG]
>>> >>>>> >>>>> (>>>>>>)
SIG >>> COMMAND
--default-signal[=SIG]
>>>>> >>>>> >>>>>>
>>>>> (>>>>>>) SIG >>>
>>>>>>>
--ignore-signal[=SIG]
>>>>> >>>>>> >>>>>
(>>>>>>) SIG >>>> >>> >>>
--list-signal-handling
>>> >>>>>> >>>>>>>> >>>
>>>>>>>> >>> >>>>>
>>>>>>>>
-v, --debug
>>>>> >>>>>>> >>>>> >>>
>>>> >>>>>>
--help >>>> >>> >>>>>>>> >>>>>
--version
>>>> >>>>>>> >>>>>>>
>>>>>
>>>> - >>>> -i. >>> >> >>>
>>>> >>>> >>>> >>>>>>
>>>>>>>.
>> >>>> SIG >>> >>>>> >>> 'PIPE'>
>> >>> >>>>> >>> '13'. >>>> SIG>
>>>>> >>>> >>>>>>>>
>>>>>>>>. >>>> >>> >>>>>>
>>>>>> >>>>>>. >>>>> SIG
>>>>> >> >>>>> >> >>>>
>>>>>.
>>>> >>>>>>:
125 >>> >>> >>> env >>>>
126 >>> >>>> COMMAND >>>> >>>>
>>>>>>>>
127 >>> >>>> >>>>>> >>> COMMAND
- >>>> >>>> COMMAND >>>>> >>>
>>>>>> >>>>>> >>>> >>>>>>>
>>>> >>>>>> -S >>>>>> >>>>>
>>>>>> >> >> >>>>>. >>>>>
>> >>>>> >>>> 1.pl >>>>> >>>
>>>>> >>>>> >>>>>>:
#!/usr/bin/env -S perl -w -T
...
>>>>> perl -w -T 1.pl
>>>> >>>>>>> '-S'> >> >>>>>>>
>> >>>> >>>> >>>>>>> >>:
/usr/bin/env: 'perl -w -T': No such file or directory
>>>> >>>>>>> >>>>>> >>>>>
>> >>>>>>>>.
>>>>>>>
>>>> >>>>> exec(3p) >> POSIX:
">>> >>>>>> >> >>>>>>>>>
>>>>>>> >>>> >>>> >>>>
>>>>>>> >>>>> >>>>>>
>>> >>>>>>> >>>>>>> >/>>
>>> >>>>>>.... >>>>> >>
>>>>>> >>> >>> >> >>>>>
>>>>>>>> >>> >>>>>> exec
>>> >>> >>>>> >>>>> >>>
>>> >>>>>>>> >>> >>>>>>
exec >>>>>>> >>>>>>>>>
(>>> >>>>>>>>> >>>>
>>>>)."
>>>>>>
>>>> >>>>>>> >>>>>>>>>
>>>>>> >>>>>>> >>>>>
>>>>>>.
>>>>>>> >> >>>>>>>
>>>> >> >>>>>> >>>: bug-coreutils@gnu.org
>>>> GNU coreutils >>>>>>>:
>>>>>> >>>> >>>>>>>>
>>>>>>> >>>:
>>>> >> >> >>>>> >>>>> >>>
>>>> >>>>>
>>>> >>>>> (C) 2026 >>>>>
>>>>>>>>> >>>>> (Free Software Foundation,
Inc.). >>>>> GPLv3+: GNU GPL >>>>>>> 3 >>
>>>>. .
>>> >>>>>> >>: >>> >> >>
>>>>>> >>>>>> >>>>>>. >>
>>>> >> >>>>> >>> >>>>>
>>>> >>>> >> >>>>>>>.
>>>> >>>>>
sigaction(2), sigprocmask(2), signal(7)
>>>>>>> >>>>>>
>> >>>> >>>>>> >>>: info '(coreutils) env
invocation'
>>>>>
>>>>>> >>> >>>>>> >>
>>>>>> >>>>>> >>>>
>>>>>>>
>>> >>>>>>> >> >>>>>
>>>>>>> >>>> >>>> >>>
>>>>>> >>>>>>> 3
>> >> >>>>
>>>>>>> >>> >>>> >>>>
>>>>>. >> >>>> >> >>>>>>.
>>> >>>> >> >>>>> >> >>>>>
>>>> >>>>>> >>>> >>>>
>>>>> >>>> >>>>>>>> >>>
>>>>> >>>> >>>>>>>>>:
.
GNU coreutils 9.11 >>>>> 2026 ENV(1)