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Diff for /src/usr.bin/cu/cu.1 between version 1.15 and 1.16

version 1.15, 2015/05/18 09:35:05 version 1.16, 2017/12/10 01:03:46
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 .Nd serial terminal emulator  .Nd serial terminal emulator
 .Sh SYNOPSIS  .Sh SYNOPSIS
 .Nm  .Nm
 .Op Fl d  .Op Fl dr
 .Op Fl l Ar line  .Op Fl l Ar line
 .Op Fl s Ar speed | Fl Ar speed  .Op Fl s Ar speed | Fl Ar speed
 .Nm  .Nm
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 Specify that the line is directly connected and  Specify that the line is directly connected and
 .Nm  .Nm
 should not allow the driver to block waiting for a carrier to be detected.  should not allow the driver to block waiting for a carrier to be detected.
   .It Fl r
   Starts
   .Nm
   in restricted mode.
   This prevents all local filesystem operations and command executions.
 .It Fl l Ar line  .It Fl l Ar line
 Specify the line to use.  Specify the line to use.
 Either of the forms like  Either of the forms like
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 The command string sent to the local  The command string sent to the local
 .Ux  .Ux
 system is processed by the shell.  system is processed by the shell.
   This command is not allowed in restricted mode.
 .It Ic ~#  .It Ic ~#
 Send a  Send a
 .Dv BREAK  .Dv BREAK
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 1 \*(Lt-\*(Gt remote tty out  1 \*(Lt-\*(Gt remote tty out
 2 \*(Lt-\*(Gt local tty stderr  2 \*(Lt-\*(Gt local tty stderr
 .Ed  .Ed
   .Pp
   This command is not allowed in restricted mode.
 .It Ic ~D  .It Ic ~D
 Deassert the data terminal ready (DTR) line briefly.  Deassert the data terminal ready (DTR) line briefly.
   This command is not allowed in restricted mode.
 .It Ic ~R  .It Ic ~R
 Record all output from the remote system to a file.  Record all output from the remote system to a file.
 If the given file already exists, it is appended to.  If the given file already exists, it is appended to.
 If no file is specified, any existing recording is stopped.  If no file is specified, any existing recording is stopped.
   This command is not allowed in restricted mode.
 .It Ic ~S  .It Ic ~S
 Change the speed of the connection.  Change the speed of the connection.
 .It Ic ~X  .It Ic ~X
 Send a file with the XMODEM protocol.  Send a file with the XMODEM protocol.
   This command is not allowed in restricted mode.
 .It Ic ~?  .It Ic ~?
 Get a summary of the tilde escapes.  Get a summary of the tilde escapes.
 .El  .El
Legend:
Removed from v.1.15  
changed lines
  Added in v.1.16