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Closed 10 years ago.

什么是GNU屏幕？

Answer 1

什么是GNU屏幕？太棒了！

嗯，一个稍微有用的答案是：它允许您在一个终端中运行多个控制台应用程序或命令。有点像一个选项卡式终端模拟器。事实上，这正是它的本质（只是没有使用常规的GUI工具包）

为什么这么棒？简单地说，您可以在屏幕会话中运行一个程序（运行＜code＞screen＜/code＞，它运行默认的shell，运行＜code＜screen myapp＜/code〕，它在会话中运行myapp），点击＜kbd＞ctrl＜/kbd＞+＜kbd>a＜/kbd>（屏幕控制序列），然后按＜kbd〉d＜/kbd＞（＜kbd＜ctrl＜-kbd＞+d＜/kkd＞）进行分离。

该程序保持在后台运行，但，与执行mycmd&

它在控制台IRC客户端中非常受欢迎——您可以运行（比如）＜code＞屏幕irssi＜/code＞，并从任何可以SSH的地方重新连接会话。



一些有用的命令：


ctrl+a, c to make a new virtual terminal (or "window") in the session
ctrl+a, n and ctrl+a, p to cycle through multiple windows
ctrl+a, 1 to select window 1, ctrl+a, 4 to select window 4 and so on
ctrl+a, ctrl+a to flick between the last two active windows
ctrl+a, shift+a (upper-case a) allows you to rename the current window
ctrl+a, ` (for me, that s shift+2 - the quote mark) lists windows, you can use the arrows and select one. Also useful with the "tab bar" setting I ll list in a second


我偶然发现了其他一些有用的东西：


Use the -U flag when you launch screen so it supports Unicode (for example, screen -xU)
The -x flag allows you to reattach the same session multiple times. (-r disconnects existing connections)
You can do interesting stuff with the status bar. I have my setup to display [ hostname ][ 0-$ bash  (1*$ irssi) ][16/09  9:32] (Running on hostname, it has two windows. This is set by the hardstatus lines in my .screenrc (at the end of the answer)




startup_message off
vbell off
hardstatus alwayslastline
hardstatus string  %{gk}[ %{G}%H %{g}][%= %{wk}%?%-Lw%?%{=b kR}(%{W}%n*%f %t%?(%u)%?%{=b kR})%{= kw}%?%+Lw%?%?%= %{g}]%{=y C}[%d/%m %c]%{W}

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