## 2.8. Directory structure, which files are important

Directories under /...../olat3 source directory

    bin                                useful scripts for linux/macOSX
    conf                               configuration files for apache and instant-messaging
    database                           database setup file and alter files to upgrade from former OLAT versions
    dist                               This directory contains the olat distribution files. (use ant)
    doc                                this documentation
        misc
      dev
            eclipse
            images
        usr
    htdocs                             nicer error files (404 etc) for apache
    interfaces                         sample files for macromedia flash integration in olat qti
    monitoring                         setup files and shell scripts for MRTG monitoring tool
       bin
       conf
       data
    temp
    webapp
        content                        Contains the Layouting files for the VelocityContainers
                                       (same package structure as code)

        examples                       the example courses and test installed for demonstration purposes.
        help                           the help course (online help, in German only yet)
        i18n                           Release 4.X: The LocalStrings files for translating (same package structure as code)
                                       Release 5.X: These files have been moved to the respective Java-Source-Code folder
           default
               de
         en
         ...
        static                         static files
           cp_offline_menu_mat         files for the generation of offline cp packages
           css                         static file delivered to the webbrowser
           disclaimer
        extensions       static files from olat extensions
           flash
           help
              de
                 img
           images
           js                          diverse javascript
              jscalendar
              kupu
              overlib
        scorm
           movie
           rte
        WEB-INF
            classes                    java classes
            lib                        java libraries
            patchesSrc                 patched source of patched libraries
            src                        java src and hibernate, log4j properties
                conf
                META-INF
                   services
                org
                   olat

Directories under /installation-path/olatdata

    bcroot                             storage for most permanent files
       course                          storage for all olat courses
          71062707016999               - e.g. one olat course
             coursefolder              files uploaded into the coursefolder of the course
             foldernodes               storage for "folder"-nodes in the course
                71063388996074
             logs                      storage for the log files for this course
       cts                             "collaboration tools storage"
          folders                      Storage for tool "folder"
              BusinessGroup            Learninggroups or rightgroups (course), buddygroups
                  720897               an instance
          wikis						   Wiki's used in the group context
          	  BusinessGroup
          	  	  720897
       homes                           personal folders of all users
          fmuster                      personal folder of user with login "fmuster"
              private
       repository                      Learnresources: ContentPackaging and QTI-Tests/Selfassement/Surveys/wiki
          71062707016960
             _unzipped_
     scorm         Persisted user data from scorm content.
       tmp
    logs                               the technical OLAT audit/error log and apache log
    monitoring                         MRTG files
    qtiser                             serialized files for tests/surveys/selfassessments in progress
       fmuster                         for user "fmuster"
    resreporting                       QTI-Resultreporting files (after completion of a test/survey/self)
       fmuster                         user "fmuster"
           Assessment                  type Assessment
            file 7122137371.xml     a resultsreporting file
           Self-Assessment
    tmp                                temporary files
        qtieditor                      for qtieditor
            fmuster                    user "fmuster"
               70798419637952          instance of an editing sequence
                  media                image upload for the qti image materials
               70864704465026
            zipcfjolat70864704465031
               media