Hi, On Mon, 4 Jul 2016 18:15:50 -0400 Dun Peal wrote: > Looking for a command that would attach to a screen session "foo", wether > it is detached or not. It seems like `screen -x foo` would do it - it > attaches to "foo" in both cases. > > But is it really the same? Or is there any difference between `screen -x > foo` and `screen -r foo` when "foo" is detached? > > Specifically, is there a reason to choose one over the other when "foo" is > detached?
-x option is needed for multiple display mode, when several users work the same screen (very useful when one needs to educate someone :)), so -x doesn't detach session if it is attached. -r is usually used in single user mode if session is already detached. It can't attach to already attached session. Best regards, Andrew Savchenko
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