Beyond Linux® From Scratch (systemd Edition) - Version r12.0-816

Chapter 11. General Utilities

Screen-4.9.1

Introduction to Screen

Screen is a terminal multiplexor that runs several separate processes, typically interactive shells, on a single physical character-based terminal. Each virtual terminal emulates a DEC VT100 plus several ANSI X3.64 and ISO 2022 functions and also provides configurable input and output translation, serial port support, configurable logging, multi-user support, and many character encodings, including UTF-8. Screen sessions can be detached and resumed later on a different terminal.

[Note]

Note

Development versions of BLFS may not build or run some packages properly if LFS or dependencies have been updated since the most recent stable versions of the books.

Package Information

Screen Dependencies

Optional

Linux-PAM-1.5.3

Installation of Screen

Install Screen by running the following commands: 

sh autogen.sh                                 &&
./configure --prefix=/usr                     \
            --infodir=/usr/share/info         \
            --mandir=/usr/share/man           \
            --with-socket-dir=/run/screen     \
            --with-pty-group=5                \
            --with-sys-screenrc=/etc/screenrc &&

sed -i -e "s%/usr/local/etc/screenrc%/etc/screenrc%" {etc,doc}/* &&
make

This package does not come with a test suite.

Now, as the root user: 

make install &&
install -m 644 etc/etcscreenrc /etc/screenrc

Command Explanations

--with-socket-dir=/run/screen: This option places the per-user sockets in a standard location.

--with-sys-screenrc=/etc/screenrc: This option places the global screenrc file in /etc.

--with-pty-group=5: This option sets the gid to the value used by LFS.

sed -i -e "s%/usr/local/etc/screenrc%/etc/screenrc%" {etc,doc}/*: This command corrects the configuration and documentation files to the location that is used here for the global screenrc file.

Configuring Screen

Config Files

/etc/screenrc and ~/.screenrc

Configuration Information

You may want to look at the example configuration file that was installed and customize it for your needs.

Contents

Installed Program: screen (symlink) and screen-4.9.1
Installed Libraries: None
Installed Directory: /usr/share/screen and /run/screen

Short Descriptions

screen

is a terminal multiplexor with VT100/ANSI terminal emulation