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  2. POSIX terminal interface - Wikipedia

    en.wikipedia.org/wiki/POSIX_terminal_interface

    The SSH server daemon (or equivalent such as the rlogin daemon) sets the TERM environment variable to the same terminal type as the SSH client. [12] The software terminal emulator, using a pseudoterminal, sets the TERM environment variable to specify the type of terminal that it is emulating. Emulated terminals often do not exactly match real ...

  3. Data Carrier Detect - Wikipedia

    en.wikipedia.org/wiki/Data_Carrier_Detect

    Frequent use of a serial port is for a direct computer-to-computer connection. This requires an adapter called a null modem, which isn't actually a modem in the traditional sense, but rather a connector plug that simply crosses the complementary pins on two serial ports so the two sides can communicate. A null modem typically connects the DTR ...

  4. List of video connectors - Wikipedia

    en.wikipedia.org/wiki/List_of_video_connectors

    Male Mini-DVI plug on top of a 12-inch PowerBook G4; female port is second from left. Mini-DVI: VGA, DVI, television. Apple Computer alternative to Mini-VGA. Often now replaced by Mini DisplayPort. Female Micro-DVI port (rightmost) on MacBook Air: Micro-DVI: DVI-D dual link Replaced with Mini DisplayPort. DMS-59: twin DVI (for two monitors via ...

  5. Platform Environment Control Interface - Wikipedia

    en.wikipedia.org/wiki/Platform_Environment...

    Platform Environment Control Interface (PECI) is an Intel proprietary single wire serial interface that provides a communication channel between Intel processors and chipset components to external system management logic and thermal monitoring devices. Also, PECI provides an interface for external devices to read processor temperature, perform ...

  6. Terminal server - Wikipedia

    en.wikipedia.org/wiki/Terminal_server

    Serial tunneling between two serial devices: Serial tunneling enables users to establish a link across Ethernet to a serial port on another terminal server. Back to back: This application is designed to solve a wiring problem. For example, a user needs to replace RS-232, RS-422 or RS-485 wire and run their data over Ethernet without making any ...

  7. Comparison of X Window System desktop environments

    en.wikipedia.org/wiki/Comparison_of_X_Window...

    A desktop environment is a collection of software designed to give functionality and a certain look and feel to an operating system.. This article applies to operating systems which are capable of running the X Window System, mostly Unix and Unix-like operating systems such as Linux, Minix, illumos, Solaris, AIX, FreeBSD and Mac OS X. [1]

  8. Serial port - Wikipedia

    en.wikipedia.org/wiki/Serial_port

    Since the control signals for a serial port can be driven by any digital signal, some applications used the control lines of a serial port to monitor external devices, without exchanging serial data. A common commercial application of this principle was for some models of uninterruptible power supply which used the control lines to signal loss ...

  9. Serial over LAN - Wikipedia

    en.wikipedia.org/wiki/Serial_over_LAN

    To allow users to access applications on these computers via the serial port, the input/output of the serial port is redirected to the network. For example, a user wishing to access a blade server via the serial port can telnet to a network address and log in. On the blade server the login will be seen as coming through the serial port.