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From: Andrew Schulman <>
Subject: screen-4.9.0-1
Date: Fri, 18 Feb 2022 09:28:49 -0500	[thread overview]
Message-ID: <> (raw)

screen 4.9.0-1 is now available in Cygwin. This release includes several
bug fixes, including for a possible denial of service by a crafted UTF-8
character sequence. Everyone is urged to upgrade to this release.

See the release announcement[1] and upstream changelog[2] for more details.

Screen is a full-screen window manager that multiplexes a physical terminal
between several processes, typically interactive shells. Each virtual
terminal provides the functions of the DEC VT100 terminal and, in addition,
several control functions from the ANSI X3.64 (ISO 6429) and ISO 2022
standards (e.g., insert/delete line and support for multiple character
sets). There is a scrollback history buffer for each virtual terminal and a
copy-and-paste mechanism that allows the user to move text regions between
windows. When screen is called, it creates a single window with a shell in
it (or the specified command) and then gets out of your way so that you can
use the program as you normally would. Then, at any time, you can create
new (full-screen) windows with other programs in them (including more
shells), kill the current window, view a list of the active windows, turn
output logging on and off, copy text between windows, view the scrollback
history, switch between windows, etc. All windows run their programs
completely independent of each other. Programs continue to run when their
window is currently not visible and even when the whole screen session is
detached from the user's terminal.

Andrew E. Schulman



To update your installation, click on the "Install Cygwin now" link on
the web page.  This downloads setup.exe to your
system.  Then, run setup and answer all of the questions.


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                 reply	other threads:[~2022-02-18 14:29 UTC|newest]

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