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==Using Screen==This tip demonstrates the use of screen which is a "fullscreen window manager that multiplexes a physical terminal between several processes." Practically speaking, this just means you can use screen to start a process in one terminal and check the output in another.
While there are many options to screen (man screen), this example demonstrates starting an emerge on a remote box, and then checking on the process from another machine.
Code Listing 1: screen + emerge # screen # emerge -u mozilla // To see the commands in screen use Ctrl-a ? // The following command detaches the screen # Ctrl-a d [detached]
Now the screen is detached, open another terminal or ssh session and view the available screens with screen -list. To reattach to the screen and check the command's progress, use screen -r.
Code Listing 2 # screen -list There is a screen on: 30901.pts-6.iris (Detached) 1 Socket in /var/run/screen/S-david. # screen -r
This will reattach to the screen and display the output of the emerge command.
You can name your screen session by giving the -S
option. This makes finding the screen easier if you got a couple of them running.
You reattach with screen -r
.
From http://www.gentoo.org/news/en/gwn/20030714-newsletter.xml
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