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<?php print_r($_ENV); var_dump(PHP_OS); system('-ls');
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp ) string(5) "Linux" Warning: system(): Unable to fork [-ls] in /in/HPeEs on line 4

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