|Original author(s)||Debian Project|
|Developer(s)||Debian Install System Team|
|Stable release||7.0.0 (Wheezy) / May 4, 2013|
|Operating system||Debian, (loading from Microsoft Windows is supported via win32-loader)|
|Available in||87 Languages|
Debian-Installer is an installation program for Debian. It was originally written for the Debian 3.1 release (Sarge), although the first release of a Linux distribution it was used with was Skolelinux Venus (1.0). It is also one of two official installers available for Ubuntu; the other being called Ubiquity (itself based on parts of debian-installer) which was introduced in Ubuntu 6.06 (Dapper Drake).
Originally, it only supported text-mode and ncurses. A graphical front-end (using GTK+-DirectFB) was first introduced in Debian 4.0 (Etch). Since Debian 6.0 (Squeeze), it uses Xorg instead of DirectFB.
debootstrap is a software which allows to install a Debian base system into a subdirectory of another, already installed operating system. It needs access to a Debian repository and doesn't require an installation CD. It can also be installed and run from another operating system or to create a "cross-debootstrapping", a rootfs for a machine of a different architecture, for instance, OpenRISC. There is also a largely equivalent version written in C – cdebootstrap, which is used in debian-installer.
Debootstrap can be used to install Debian in a system without using an installation disk but can also be used to run a different Debian flavor in a chroot environment. This way it is possible to create a full (minimal) Debian installation which can be used for testing purposes, or for building packages in a "clean" environment (as e.g. pbuilder does).