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nmdm (4)
  • >> nmdm (4) ( FreeBSD man: Специальные файлы /dev/* )

    • BSD mandoc
     

    NAME

    

nmdm

 - nullmodem terminal driver

 

    SYNOPSIS

    device nmdm  

    DESCRIPTION

    The driver provides two tty(4) devices connected by a virtual ``null modem'' cable.

    If either of the two tty devices have the CDSR_OFLOW bit (``stty dsrflow '' ) set in their line discipline, the device will emulate the speed configured in the termios(4) settings. The speed emulation works independently in the two directions, controlled by the slower end's termios settings ( c_ispeed , c_ospeed CS5 ... CS8 , CSTOPB and PARENB )  

    FILES

    /dev/nmdm N [AB ]
    nullmodem device nodes. Where the A node has a matching B node.

    The driver implements ``on-demand device creation'' so simply accessing a given instance in /dev will create it.  

    DIAGNOSTICS

    None.  

    SEE ALSO

    stty(1), termios(4), tty(4)  

    HISTORY

    The driver first appeared in Fx 4.4 .

     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    FILES
    DIAGNOSTICS
    SEE ALSO
    HISTORY

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