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# Introduction

Back In Time is a backup solution for GNU/Linux desktops. It is based on `rsync` and uses hard links to reduce space used for unchanged files. It comes with a graphical user interface (GUI) and a command line interface (CLI).

Backups are stored in plain text. They can be browsed with a normal file-browser or in terminal which makes it possible to restore files even without Back In Time. Files ownership, group and permissions are stored in a separate compressed plain text file (`fileinfo.bz2`). If the backup drive does not support permissions Back In Time will restore permissions from `fileinfo.bz2`. So if you restore files without Back In Time, permissions could get lost.