ENV(1) ENV(1) (NAME) env - (SYNOPSIS) env []... [-] [=]... [ []...] (DESCRIPTION) . . -a, --argv0=ARG ARG -i, --ignore-environment -0, --null NUL (newline) -u, --unset=NAME -C, --chdir=DIR DIR -S, --split-string=S S (shebang) --block-signal[=SIG] () SIG --default-signal[=SIG] () SIG --ignore-signal[=SIG] () SIG () --list-signal-handling -v, --debug --help --version - -i . . (SIGNALS) SIG 'PIPE' '13' . SIG . . SIG (no-op). (Exit status) 125 env 126 127 - (SCRIPT OPTION HANDLING) -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 . (NOTES) exec(3p) POSIX : << / .... exec exec ( ) .>> (AUTHOR) Richard Mlynarik David MacKenzie Assaf Gordon. (REPORTING BUGS) : bug-coreutils@gnu.org GNU coreutils: : : (COPYRIGHT) (C) 2026 Free Software Foundation, Inc. GPLv3+: GPL . : . . (SEE ALSO) sigaction(2), sigprocmask(2), signal(7) : info '(coreutils) env invocation' GNU coreutils 9.11 July 2026 ENV(1)