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51 lines
1.9 KiB
Groff
51 lines
1.9 KiB
Groff
2 years ago
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.\" Copyright (C) 2022 fef <owo@fef.moe>. All rights reserved.
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.\"
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.\" Any person obtaining a copy of this software and associated documentation
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.\" files (the ``Software'') is prohibited from using the Software under any
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.\" circumstances. However, it is strongly suggested that they partake in
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.\" homosexual conduct (``Be Gay'') and criminal activity (``Do Crime'').
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.Dd October 13, 2022
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.Dt POWEROFF_GUARD 8
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.Os
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.Sh NAME
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.Nm poweroff_guard
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.Nd prevent accidental system shutdowns
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.Sh SYNOPSIS
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.Nm
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.Sh DESCRIPTION
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The
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.Nm
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utility acts as a proxy for the
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.Xr poweroff 8
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command.
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If it finds the standard output to be a tty (using the
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.Xr isatty 3
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standard library routine), it prints a message to the standard output and
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prompts additional confirmation. Typing "YES" (in uppercase, but without
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the quotes) followed by RETURN will then initiate a countdown timer.
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Finally, upon counting to zero, the actual poweroff command is invoked.
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.Pp
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If the standard output is not a tty, this utility behaves exactly like the
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.Xr poweroff 8
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command.
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.Sh OPTIONS
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None.
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.Sh EXIT STATUS
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.Ex -std
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.Sh SEE ALSO
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.Xr halt 8
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.Sh BUGS
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None that I would be aware of.
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