Fix missing nc.1 file.
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.Dd February 23, 2023
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.Dt PING 1
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.Os
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.Sh NAME
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.Nm nc
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.Nd network client and server
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.Sh SYNOPSIS
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.Nm
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.Op Fl 46luv
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.Ar host
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.Ar service
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.Sh DESCRIPTION
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.Nm
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is a simple network client that connects to the
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.Ar host
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and
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.Ar service
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and transmits its standard input and receives to its standard output.
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.Nm
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exits when the connection has been closed.
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.Nm
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closes the connection for writing upon the end of input and continues to read
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until the remote closes for writing.
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.Pp
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The options are as follows:
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.Bl -tag -width "12345678"
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.It Fl 4
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Use Internet Prototocol version 4
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.Xr ( ip 4 ) .
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.It Fl 6
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Use Internet Prototocol version 6
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.Xr ( ip6 4 ) .
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.It Fl l
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Accept a singular connection as a network server instead of connecting as a
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client.
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.Nm
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binds locally to the
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.Ar host
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and
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.Ar service
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and accepts a singular connection.
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.It Fl u
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Send and receive datagrams instead of using a streaming connection.
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For the Internet Protocol,
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.Xr udp 4
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is used instead of
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.Xr tcp 4 .
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.It Fl v
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Write a diagnostic to the standard error whenever a connection has been
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established or accepted.
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.El
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.Sh EXIT STATUS
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.Nm
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will exit 0 on success and non-zero otherwise.
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.Sh SEE ALSO
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.Xr cat 1 ,
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.Xr ssh 1 ,
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.Xr accept 2 ,
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.Xr bind 2 ,
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.Xr connect 2 ,
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.Xr listen 2 ,
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.Xr socket 2 ,
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.Xr ip 4 ,
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.Xr ip6 4 ,
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.Xr tcp 4 ,
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.Xr udp 4
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