|Original author(s)||Debian Project|
|Developer(s)||Debian Install System Team|
|Initial release||June 6, 2005|
10.1 (Stretch) / January 23, 2019
|Operating system||Microcosm of Debian, made of udebs (loading from Windows is supported via win32-loader)|
|Available in||87 languages|
Debian-Installer is a system installer designed for the Debian Linux distribution. It originally appeared in the Debian release 3.1 (Sarge), released on June 6, 2005, although the first release of a Linux distribution that used it was Skolelinux (Debian-Edu) 1.0, released in June 2004.
Originally, it was only supported under 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 is used over Xorg instead of DirectFB.
debootstrap is software which allows installation of 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[clarification needed]. 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).