#### Beyond Linux® From Scratch (System V Edition) - Version 12.3

### Chapter 24. Graphical Environments

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# xterm-397

## Introduction to xterm

xterm is a terminal emulator for the X Window System.

This package is provided for testing the completed Xorg installation.

This package is known to build and work properly using an LFS 12.3 platform.

### Package Information

- Download (HTTP): https://invisible-mirror.net/archives/xterm/xterm-397.tgz

- Download MD5 sum: f8bffb37b6dcbb9757c2a8f7484e5085

- Download size: 1.6 MB

- Estimated disk space required: 19 MB

- Estimated build time: 0.1 SBU (with parallelism=4)

### xterm Dependencies

#### Required

luit-20240910

#### Required (at runtime)

A monospace TTF or OTF font such as Dejavu fonts

#### Optional

Emacs-30.1, pcre2-10.45, Valgrind-3.24.0 and man2html

## Installation of xterm

Install xterm by running the following commands:

    sed -i '/v0/{n;s/new:/new:kb=^?:/}' termcap &&
    printf '\tkbs=\\177,\n' >> terminfo &&

    TERMINFO=/usr/share/terminfo \
    ./configure $XORG_CONFIG     \
        --with-app-defaults=/etc/X11/app-defaults &&

    make

This package does not come with a test suite.

Now, as the `root` user:

    make install &&

    mkdir -pv /usr/share/applications &&
    cp -v *.desktop /usr/share/applications/

## Command Explanations

sed -i ... termcap, printf ... >> terminfo: These commands modify the terminal description so that the Backspace key is expected to send the character with ASCII code 127. This is done for consistency with the Linux console.

`TERMINFO=/usr/share/terminfo`: This ensures that the xterm terminfo files are installed to the system terminfo database.

`--with-app-defaults=...`: Sets the location for the `app-defaults` directory.

## Configuring xterm

There are two ways to configure xterm. You can add the X resource definitions to the user's `~/.Xresources` file, or add them to the system-wide `$XORG_PREFIX/share/X11/app-defaults/Xterm` file.

In order for xterm to follow the locale settings in the environment, use TrueType fonts, and follow the Linux convention about the code sent by the Backspace key, add the following definitions as the `root` user:

    cat >> /etc/X11/app-defaults/XTerm << "EOF"
    *VT100*locale: true
    *VT100*faceName: Monospace
    *VT100*faceSize: 10
    *backarrowKeyIsErase: true
    *ptyInitialErase: true
    EOF

## Contents

Installed Programs: koi8rxterm, resize, uxterm, and xterm
Installed Libraries: None
Installed Directories: None

### Short Descriptions

koi8rxterm | is a wrapper script to set up xterm with a KOI8-R locale
resize | prints a shell command for setting the TERM and TERMCAP environment variables to indicate the current size of xterm window
uxterm | is a wrapper script that modifies the current locale to use UTF-8 and starts xterm with the proper settings
xterm | is a terminal emulator for the X Window System

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