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[#]: subject: (4 Linux terminal multiplexers to try)
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[#]: via: (https://opensource.com/article/21/5/linux-terminal-multiplexer)
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[#]: author: (Seth Kenlon https://opensource.com/users/seth)
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[#]: collector: (lujun9972)
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[#]: translator: (wxy)
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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4 Linux terminal multiplexers to try
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======
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Compare tmux, GNU Screen, Konsole, and Terminator to see which is the
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best fit for you.
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![4 different color terminal windows with code][1]
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Linux users generally need a lot of virtual visual space. One terminal window is never enough, so terminals have tabs. One desktop is too constraining, so there are virtual desktops. And sure, application windows can stack, but how much better is it when they tile? Heck, even the back-end text console has F1 to F7 available for flipping back and forth between tasks.
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With this much multitasking going on, it's no surprise that somebody invented the concept of a terminal _multiplexer_. This is admittedly a confusing term. In traditional electronics, a "multiplexer" is a component that receives several input signals and forwards the selected one to a single output. A terminal multiplexer does the opposite. It receives instructions from one input (the human at the keyboard typing into one terminal window) and forwards that input to any number of outputs (for example, a group of servers).
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Then again, the term "multiplex" is also a term popular in the US for a cinema with many screens (sharing mindshare with the term "cineplex"). In a way, that's pretty descriptive of what a terminal multiplexer can do: It can provide lots of screens within one frame.
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Whatever the term means, anybody who's tried a multiplexer has a favorite. So, I decided to take a look at a few of the popular ones to see how each one measures up. In terms of my evaluation criteria, at the bare minimum, I needed each multiplexer to split _and_ stack terminal windows.
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### Tmux
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![tmux][2]
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(Seth Kenlon, [CC BY-SA 4.0][3])
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As far as I know, it was tmux that started using the "multiplexer" term. It's great at what it does.
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It runs as a daemon so that your terminal session remains active even after you close the terminal emulator you're viewing it in. It splits your terminal screen into panes so that you can open unique terminal prompts in each.
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By extension, this means you can also connect remotely to any number of systems and have them open in your terminal, too. Using tmux's ability to mirror (or reverse multiplex, in electronics terms) input to other open panes, it's possible to control several computers at once from one central command pane.
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Tmux had vertical splits back when GNU Screen only had horizontal splits, which attracted fans looking for maximum flexibility. And flexibility is what users get with tmux. It can split, stack, select, and serve; there's practically nothing it can't do.
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#### 📦 Size
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Installing tmux from a package occupies roughly 700K, not counting the dozen shared libraries it depends upon.
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#### 🎛️ Control
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The default trigger key for tmux is **Ctrl+B**, although it's easy to redefine this in its configuration file.
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#### ⌨️ Hacker factor
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Even if you're just learning how to use the terminal, you're sure to feel every bit like the hacker you are by using tmux. It looks complex, but once you get to know the right key bindings it's easy to use. It provides you with lots of useful tricks to keep yourself busy, and it's a pretty easy way to construct a quick HUD with all the information you need in front of you.
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### GNU Screen
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![GNU Screen][4]
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(Seth Kenlon, [CC BY-SA 4.0][3])
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Like tmux, GNU Screen runs a daemon, so your shell is available even after you close the terminal you use to launch it. You can connect from separate computers and share Screen. It splits your terminal screen into horizontal or vertical panes.
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And unlike tmux, GNU Screen can connect over a serial connection (`screen 9600 /dev/ttyUSB0` is all it takes), with key bindings for easy XON and XOFF signals.
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It's probably less common to need a multiplexer over a serial connection than over an SSH session, so Screen's really special feature is lost on most users. Still, GNU Screen is a great multiplexer with many useful options, and if you really really need to send signals to multiple servers at once, there are always dedicated tools like ClusterSSH and [Ansible][5].
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#### 📦 Size
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Installing GNU Screen from a package occupies roughly 970K, not counting the dozen shared libraries it depends upon.
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#### 🎛️ Control
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The default trigger key for GNU Screen is **Ctrl+A**, which can be particularly annoying for anyone familiar with Bash shortcuts. Luckily, you can easily redefine this trigger in the configuration file.
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#### ⌨️ Hacker factor
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You'll be the envy of all your hardware hacker friends when using Screen to connect over a serial connection to your router or your prototype circuit board.
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### Konsole
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![Konsole][6]
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(Seth Kenlon, [CC BY-SA 4.0][3])
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For not billing itself as a multiplexer, Konsole is a surprisingly effective one. It can do the requisite splitting and stacking of windows using Qt panes and tabs, but it can also echo input from one pane to another (or all) through an option in the **Edit (Copy input to)** menu.
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The most notable feature that it lacks, however, is the ability to run as a daemon for remote reconnection. Unlike Tmux and GNU Screen, you can't connect remotely to a machine running Konsole and join the session. For some admins, this may not be an issue. Many admins [VNC][7] to machines more often than they [SSH][8], so "rejoining" a session is as trivial as clicking on the Konsole window in a VNC client.
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Using Konsole as a multiplexer is a power move for KDE geeks. Konsole was the first Linux terminal I used (to this day, I sometimes press **Ctrl+N** for a new tab), so having the ability to use this familiar terminal as a multiplexer is a great convenience. It's by no means necessary because tmux and Screen both run inside Konsole anyway, but by letting Konsole handle panes, I don't have to adjust my muscle memory. This kind of subtle feature inclusion is exactly [what makes KDE so great][9].
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#### 📦 Size
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Konsole itself is roughly 11KB, but it relies on 105 KDE and Qt libraries, so effectively, it's more like 50MB at minimum.
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#### 🎛️ Control
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Most important Konsole shortcuts start with **Shift+Ctrl**, and that's the case with splitting screens, opening new tabs, copying input to other panes, and so on. It's just Konsole, so if you're comfortable with the Plasma desktop, this feels familiar.
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#### ⌨️ Hacker factor
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Using Konsole as your multiplexer gives you the right to call yourself a KDE power user.
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### Terminator
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![Terminator][10]
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(Seth Kenlon, [CC BY-SA 4.0][3])
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For GNOME users, the Terminator multiplexer is an easy way to add power to their otherwise minimal GNOME terminal. In addition to the requisite multiplex features, Terminator can broadcast input to all open panes, but like Konsole, it can't run in the background so that you can reattach to it over SSH. Then again, with GNOME and Wayland making VNC so easy, it's possible that you won't feel the need to SSH in to continue a terminal session.
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If you want it to be, Terminator can be entirely mouse-driven. Konsole has the same ability through its main menu. With Terminator, you can right-click anywhere in your shell and bring up relevant options to split the window horizontally or vertically, group panes together to target them for broadcasts, broadcast input, close panes, and so on. You can also configure keyboard shortcuts for all of these actions, so in many ways, you can build your own experience.
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I consider myself mostly a KDE user, so when I say Terminator feels like a K-app, I mean that as a great compliment. Terminator is a surprisingly configurable and flexible application. In many ways, it exemplifies the power of open source by taking the humble GNOME Terminal and transforming it into a powerful multiplexer.
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#### 📦 Size
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Terminator is 2.2MB to install, most of which are Python modules. It relies on GTK3 and GNOME, though, so if you're not running the full GNOME desktop, you can expect a much larger install for pulling in these dependencies.
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#### 🎛️ Control
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There's not much consistency in Terminator's default controls. You use the **Alt** key for some commands, **Ctrl** for others, **Shift+Ctrl**, **Ctrl+Alt**, **Shift+Super**, and the mouse. Then again, it's one of the most configurable multiplexers I tried, so with an opinion and a little effort, you can design a schema that works for you.
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#### ⌨️ Hacker factor
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You'll feel like the most modern and pragmatic of hackers when you use Terminator. With all of its geeky options, it's a great choice for multiplexing, and because it's so flexible you can use it just as easily whether your hands are on your keyboard or split between your keyboard and mouse.
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### Choose them all
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There are more multiplexers out there and several applications with multiplex-like abilities. You don't have to find the _one_ multiplexer that does everything you need it to do exactly the way you want it done. You're allowed to use more than one. In fact, you can even use more than one at the same time because tmux and Screen are effectively shells, while Konsole and Terminator are terminals that display a shell. The important things are that you feel comfortable with the tools at your fingertips, and they help you manage your workspace so that you can work efficiently.
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Go try a multiplexer, or discover multiplex-like features in your favorite application. It might just change the way you view computing.
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--------------------------------------------------------------------------------
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via: https://opensource.com/article/21/5/linux-terminal-multiplexer
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作者：[Seth Kenlon][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://opensource.com/users/seth
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[b]: https://github.com/lujun9972
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[1]: https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/freedos.png?itok=aOBLy7Ky (4 different color terminal windows with code)
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[2]: https://opensource.com/sites/default/files/uploads/multiplex-tmux.png (tmux)
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[3]: https://creativecommons.org/licenses/by-sa/4.0/
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[4]: https://opensource.com/sites/default/files/uploads/multiplex-screen.png (GNU Screen)
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[5]: https://opensource.com/article/19/2/quickstart-guide-ansible
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[6]: https://opensource.com/sites/default/files/uploads/multiplex-konsole.png (Konsole)
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[7]: https://en.wikipedia.org/wiki/Virtual_Network_Computing
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[8]: https://en.wikipedia.org/wiki/Secure_Shell_Protocol
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[9]: https://opensource.com/article/19/12/linux-kde-plasma
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[10]: https://opensource.com/sites/default/files/uploads/multiplex-terminator.png (Terminator)
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[#]: subject: (4 Linux terminal multiplexers to try)
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[#]: via: (https://opensource.com/article/21/5/linux-terminal-multiplexer)
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[#]: author: (Seth Kenlon https://opensource.com/users/seth)
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[#]: collector: (lujun9972)
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[#]: translator: (wxy)
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[#]: reviewer: (wxy)
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[#]: publisher: ( )
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[#]: url: ( )
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4 款值得一试的 Linux 终端多路复用器
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======
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> 比较 tmux、GNU Screen、Konsole 和 Terminator，看看哪个最适合你。
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![4 different color terminal windows with code][1]
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Linux 用户通常需要大量的虚拟视觉空间。一个终端窗口是永远不够的，所以终端有了标签。一个桌面太受限制了，所以有了虚拟桌面。当然，应用程序窗口可以堆叠，但当它们堆叠起来时，又有多大的好处呢？哎呀，即使是后台文本控制台也有 F1 到 F7，可以在任务之间来回翻转。
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有了这么多的多任务处理方式，有人发明了终端 *多路复用器* 的概念就不奇怪了。诚然，这是一个令人困惑的术语。在传统的电子学中，“<ruby>多路复用器<rt>multiplexer</rt></ruby>”是一个接收多个输入信号并将选定的信号转发到单一输出的部件。终端多路复用器的作用正好相反。它从一个输入（人类在键盘上向一个终端窗口打字）接收指令，并将该输入转发给任何数量的输出（例如，一组服务器）。
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然后，“多路复用器”一词在美国也是一个流行的术语，指的是有许多屏幕的电影院（与“<ruby>影城<rt>cineplex</rt></ruby>”一词一个意思）。在某种程度上，这很好地描述了终端复用器的作用。它可以在一个框内提供许多屏幕。
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不管这个词是什么意思，任何尝试过它的人都有自己的喜好的某一种多路复用器。因此，我决定看一看一些流行的终端多路复用器，看看每一个都怎么样。就我的评估标准而言，最低限度，我需要每个多路复用器能够分割*和*堆叠终端窗口。
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### tmux
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![tmux][2]
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据我所知，是从 tmux 开始使用“多路复用器”这个术语的。它的工作很出色。
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它作为一个守护程序运行，这样即使你关闭了正在查看的终端模拟器，你的终端会话仍然处于活动状态。它将你的终端屏幕分割成多个面板，这样你就可以在每个面板上打开独特的终端提示符。
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推而广之，这意味着你也可以远程连接到任何数量的系统，并在你的终端中打开它们。利用 tmux 的能力，镜像（或者以电子术语说是“反向多路复用”）输入到其他打开的窗格，就能从一个中央命令窗格同时控制几台计算机。
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tmux 在 GNU Screen 还只能水平分割的时候就有了垂直分割，这吸引了追求最大灵活性的粉丝。而灵活性正是用户在 tmux 中得到的。它可以分割、堆叠、选择和服务；几乎没有什么是它做不到的。
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#### 📦 软件包大小
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从软件包中安装 tmux 大约需要 700K，这还不算它所依赖的十几个共享库。
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#### 🎛️ 控制键
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tmux 的默认触发键是 `Ctrl+B`，尽管很容易在其配置文件中重新定义。
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#### ⌨️ 黑客因子
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即使你只是在学习如何使用终端，你也一定会觉得使用 tmux 的人很像黑客。它看起来很复杂，但一旦你了解了正确的键绑定，就很容易使用。它为你提供了很多有用的技巧，让你忙得不亦乐乎，而且它是一种快速构建一个 HUD（抬头显示器）的超简单方法，可以把你需要的所有信息摆在你面前。
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### GNU Screen
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![GNU Screen][4]
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像 tmux 一样，GNU Screen 也运行一个守护程序，所以即使你关闭了用来启动它的终端，你的 shell 仍然可用。你可以从不同的计算机上连接并共享屏幕。它可以将你的终端屏幕分割成水平或垂直的窗格。
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与 tmux 不同的是，GNU Screen 可以通过串行连接（`screen 9600 /dev/ttyUSB0` 就可以了），通过按键绑定可以方便地发出 `XON` 和 `XOFF` 信号。
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与 SSH 会话相比，在串行连接中需要多路复用器的情况可能并不常见，所以大多数用户并不了解 Screen 这个真正特殊的功能。不过，GNU Screen 是一个很棒的多路复用器，有很多有用的选项。而如果你真的需要同时向多个服务器发送信号，还有专门的工具，比如 ClusterSSH 和 [Ansible][5]。
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#### 📦 软件包大小
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从软件包中安装 GNU Screen 大约需要 970K，这还不算它所依赖的十几个共享库。
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#### 🎛️ 控制键
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GNU Screen 的默认触发键是 `Ctrl+A`，这对于熟悉 Bash 快捷键的人来说可能特别烦人。幸运的是，你可以在配置文件中轻松地重新定义这个触发键。
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#### ⌨️ 黑客因子
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当使用 Screen 通过串行连接到你的路由器或你的原型电路板时，你会成为你所有硬件黑客朋友羡慕的对象。
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### Konsole
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![Konsole][6]
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对于没有标榜自己是多路复用器的 Konsole 来说，令人惊讶的是它也是其中一个。它可以使用 Qt 窗格和标签进行必要的窗口分割和堆叠，但它也可以通过“编辑（将输入复制到）”菜单中的一个选项将输入从一个窗格传到另一个（或全部）。
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然而，它所最明显缺乏的功能是作为一个守护程序运行以进行远程重新连接的能力。与 tmux 和 GNU Screen 不同，你不能远程连接到运行 Konsole 的机器并加入会话。对于一些管理员来说，这可能不是一个问题。许多管理员 [VNC][7] 连接到机器的次数比用 [SSH][8] 还要多，所以“重新加入”一个会话就像在 VNC 客户端上点击 Konsole 窗口一样简单。
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使用 Konsole 作为多路复用器是 KDE 极客们的大招。Konsole 是我使用的第一个 Linux 终端（直到今天，我有时也会按 `Ctrl+N` 来切换新标签），所以有能力使用这个熟悉的终端作为复用器是一个很大的便利。这绝不是必要的，因为无论如何 tmux 和 Screen 都可以在 Konsole 里面运行，但是通过让 Konsole 处理窗格，我就不必调整肌肉记忆。这种微妙的功能包容正是 [KDE 的伟大之处][9]。
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#### 📦 软件包大小
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Konsole 本身大约是 11KB，但它依赖于 105 个 KDE 和 Qt 库，所以实际上，它至少有 50MB。
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#### 🎛️ 控制键
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大多数重要的 Konsole 快捷键以 `Shift+Ctrl` 开始，分割屏幕、打开新标签、复制输入到其他窗格等都是如此。这是 KDE 里的主控台，所以如果你对 Plasma 桌面很熟悉，会感觉快捷键很熟悉。
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#### ⌨️ 黑客因子
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使用 Konsole 作为你的复用器让你有资格称自己为 KDE 高级用户。
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### Terminator
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![Terminator][10]
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对于 GNOME 用户来说，Terminator 多路复用器是为他们原本极简的 GNOME 终端增加功能的一个简单方法。除了必要的多路复用功能外，Terminator 还可以向所有打开的窗格广播输入，但和 Konsole 一样，它不会在后台运行以便你可以通过 SSH 重新连接到它。话说回来，由于 GNOME 和 Wayland 让 VNC 变得如此简单，你有可能会觉得没有必要通过 SSH 来恢复终端会话。
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如果你愿意，Terminator 可以完全由鼠标驱动。Konsole 通过其主菜单也有同样的能力。有了 Terminator，你可以在 Shell 的任何地方点击右键，弹出相关选项，以水平或垂直分割窗口，将窗格分组作为广播目标，广播输入，关闭窗格，等等。你还可以为所有这些动作配置键盘快捷键，所以在许多方面，你可以形成自己的体验。
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我认为自己主要是一个 KDE 用户，所以当我说 Terminator 感觉像一个 KDE 应用时，我其实是一种极大的赞美。Terminator 是一个令人惊讶的可配置的和灵活的应用程序。在许多方面，它体现了开源的力量，把简陋的 GNOME 终端变成了一个强大的多路复用器。
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#### 📦 软件包大小
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Terminator 的安装容量为 2.2MB，其中大部分是 Python 模块。但它依赖于 GTK3 和 GNOME，所以如果你没有运行完整的 GNOME 桌面，可以预料你需要一个更大的安装来拉入这些依赖。
|
||||
|
||||
#### 🎛️ 控制键
|
||||
|
||||
Terminator 的默认控制键没有什么一致性。你可以用 `Alt` 键来执行一些命令，用 `Ctrl` 来执行其他命令，还可以用 `Shift+Ctrl`、`Ctrl+Alt`、`Shift+Super` 等等，还有鼠标。话说回来，这是我试过的最可配置的多路复用器之一，所以只要有想法，稍加努力，你就能设计出适合你的模式。
|
||||
|
||||
#### ⌨️ 黑客因子
|
||||
|
||||
当你使用 Terminator 时，你会觉得自己是最现代、最务实的黑客。由于它的各种极客选项，它是多路复用的最佳选择，而且由于它非常灵活，无论你的手是在键盘上，还是键盘和鼠标并用，你都可以同样轻松地使用它。
|
||||
|
||||
### 我全要
|
||||
|
||||
还有更多的多路复用器和一些具有类似多路复用能力的应用。你不必非要找到*一个*完全按照你想要的方式完成你需要的所有工作的多路复用器。你可以使用不止一个。事实上，你甚至可以同时使用多个，因为 tmux 和 Screen 实际上是 shell，而 Konsole 和 Terminator 是显示 shell 的终端。对唾手可得的工具感到舒适，而且它们能帮助你管理你的工作空间，使你能有效地工作，才是最重要的。
|
||||
|
||||
去尝试一下多路复用器，或者在你喜欢的应用程序中发现类似多路复用器的功能。它可能会改变你看待计算的方式。
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
via: https://opensource.com/article/21/5/linux-terminal-multiplexer
|
||||
|
||||
作者：[Seth Kenlon][a]
|
||||
选题：[lujun9972][b]
|
||||
译者：[wxy](https://github.com/wxy)
|
||||
校对：[wxy](https://github.com/wxy)
|
||||
|
||||
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
|
||||
|
||||
[a]: https://opensource.com/users/seth
|
||||
[b]: https://github.com/lujun9972
|
||||
[1]: https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/freedos.png?itok=aOBLy7Ky (4 different color terminal windows with code)
|
||||
[2]: https://opensource.com/sites/default/files/uploads/multiplex-tmux.png (tmux)
|
||||
[3]: https://creativecommons.org/licenses/by-sa/4.0/
|
||||
[4]: https://opensource.com/sites/default/files/uploads/multiplex-screen.png (GNU Screen)
|
||||
[5]: https://opensource.com/article/19/2/quickstart-guide-ansible
|
||||
[6]: https://opensource.com/sites/default/files/uploads/multiplex-konsole.png (Konsole)
|
||||
[7]: https://en.wikipedia.org/wiki/Virtual_Network_Computing
|
||||
[8]: https://en.wikipedia.org/wiki/Secure_Shell_Protocol
|
||||
[9]: https://opensource.com/article/19/12/linux-kde-plasma
|
||||
[10]: https://opensource.com/sites/default/files/uploads/multiplex-terminator.png (Terminator)
|
||||
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Reference in New Issue
Block a user