Manjaro-tools - Manjaro
https://wiki.manjaro.org/index.php/Manjaro-toolsmanjaro-tools consists of a lot of different tools aimed at Manjaro developers. It is split into 3 different packages: manjaro-tools-base contains basic tools, different chroot tools, and buildset. manjaro-tools-pkg contains small helper tools, buildpkg, and buildtree. manjaro-tools-iso contains small helper tools and buildiso.
chroot - ArchWiki - Arch Linux
https://wiki.archlinux.org/title/ChrootThere are two main options for using chroot, described below. Using arch-chroot. The bash script arch-chroot is part of the arch-install-scripts package. Before it runs /usr/bin/chroot, the script mounts API filesystems like /proc and makes /etc/resolv.conf available from the chroot.. Enter a chroot. Run arch-chroot with the new root directory as first argument: