ENV(1) >>>>> ENV(1)
>>
env - >>>>>>>>>>>
>>
env [>>]... [-] [>>=>]... [>> [>>>>]...]
>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
-i, --ignore-environment
>>>>>>>>
-0, --null
>>>>>> NUL >>>>>>>>>>>
-u, --unset=>>
>>>>>>>>>>>>
-C, --chdir=>>>>>>
>>>>>>>>>>>>>>>
-S, --split-string=S
>>>> S >>>>>>>>>>>>> shebang
>>>>>>>
--block-signal[=>>]
>>>>>>>>>>>>>>
--default-signal[=>>]
>>>>>>>>>>>>>>>>>>
--ignore-signal[=>>]
>>>>>>>>>>>>>>>>>>>>>>>>>
--list-signal-handling
>>>>>>>>>>>>>>>>>
-v, --debug
>>>>>>>>>>>>>
--help >>>>>>>>>>
--version
>>>>>>>>>
>>>"-">>>>
-i>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>> 'PIPE'
>>>>>>>>>>>>> '1'
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>
-S/--split-string >>>>>>>>
-S
>>>>>>>>>>>>>>>>>>>>>>>>>
1.pl>>>>>>>>>>>>>>
#!/usr/bin/env -S perl -w -T
...
>>>> perl -w -T 1.pl .
>>>> '-S'
>>>>>>>>>>>>>>>>>>>>
/usr/bin/env: 'perl -w -T': >>>>>>>>>
>>>>>>>>>>>>>>>
--default-signal[=>>] >>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
shell trap >>>>>>>>>>>>>>> seq >>
SIGPIPE
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
sh -c 'env --default-signal=PIPE seq inf | head -n1'
>>
POSIX > exec(2p) >>>>>>>>>
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
exec
>>>>>>>>>>>>>>>>>>>>
exec
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
>>
> Richard Mlynarik>David MacKenzie > Assaf Gordon >>>
>>>>
GNU coreutils >>>>>>
>>
>>>>>>>
>>
Copyright (C) 2022 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later .
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>
sigaction(2), sigprocmask(2), signal(7)
>>>>>>>
>>>>>>>> info '(coreutils) env invocation'
>
>>>>>>>>> man >>>>>>>>
>> man >>>>>>https://github.com/man-pages-zh/manpages-
zh
GNU coreutils 9.1 2022>9> ENV(1)