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1.1     ! bowersj2    1: \label{Guts_User_Dir}
        !             2: 
        !             3: Every user in the system has one library server, which is their home
        !             4: server. It stores the authoritative copy of all of their records.
        !             5: Internally, this data is stored in a directory
        !             6: 
        !             7: \texttt{/home/httpd/lonUsers/}\texttt{\emph{domain}}\texttt{/}\texttt{\emph{firstChar}}\texttt{/}\texttt{\emph{secondChar}}\texttt{/}\texttt{\emph{thirdChar}}\texttt{/}\texttt{\emph{login}}
        !             8: 
        !             9: for example, for {}``smith'' at {}``msu'':
        !            10: 
        !            11: \texttt{/home/httpd/lonUsers/msu/s/m/i/smith/}
        !            12: 
        !            13: %
        !            14: \begin{figure}
        !            15: \begin{lyxcode}
        !            16: \#>~ls~-alF~/home/httpd/lonUsers/msu/k/o/r/kortemey
        !            17: 
        !            18: 
        !            19: 
        !            20: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~13006~May~15~12:21~activity.log
        !            21: 
        !            22: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~~12413~Oct~26~~2000~coursedescriptions.db
        !            23: 
        !            24: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~11361~Oct~26~~2000~coursedescriptions.hist
        !            25: 
        !            26: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~~13576~Apr~19~17:45~critical.db
        !            27: 
        !            28: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~~1302~Apr~19~17:45~critical.hist
        !            29: 
        !            30: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~~13512~Apr~19~17:45~email\_status.db
        !            31: 
        !            32: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~~1496~Apr~19~17:45~email\_status.hist
        !            33: 
        !            34: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~12373~Apr~19~17:45~environment.db
        !            35: 
        !            36: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~~~169~Apr~19~17:45~environment.hist
        !            37: 
        !            38: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~~12315~Oct~25~~2000~junk.db
        !            39: 
        !            40: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~~1590~Nov~~4~~1999~junk.hist
        !            41: 
        !            42: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~~23626~Apr~19~17:45~msu\_12679c3ed543a25msul1.db
        !            43: 
        !            44: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~~3363~Apr~19~17:45~msu\_12679c3ed543a25msul1.hist
        !            45: 
        !            46: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~~17242~Nov~13~~2000~msu\_1827338c7d339a3msul1.db
        !            47: 
        !            48: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~~1986~Nov~13~~2000~msu\_1827338c7d339a3msul1.hist
        !            49: 
        !            50: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~~18497~Dec~21~11:25~msu\_1827338c7d339b4msul1.db
        !            51: 
        !            52: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~~3801~Dec~21~11:25~msu\_1827338c7d339b4msul1.hist
        !            53: 
        !            54: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~~12470~Apr~19~17:45~nohist\_annotations.db
        !            55: 
        !            56: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~~13395~Nov~15~~2000~nohist\_bookmarks.db
        !            57: 
        !            58: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~104264~Apr~19~17:45
        !            59: 
        !            60: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~nohist\_calculatedsheets\_msu\_12679c3ed543a25msul1.db
        !            61: 
        !            62: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~~13248~Apr~~5~17:18
        !            63: 
        !            64: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~nohist\_calculatedsheets\_msu\_1827338c7d339b4msul1.db
        !            65: 
        !            66: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~~12568~Oct~28~~2000~nohist\_coursedescriptions.db
        !            67: 
        !            68: -rw-r-{}-{}-{}-{}-~~~1~www~~~~~~users~~~~~~765954~Apr~19~17:45~nohist\_email.db
        !            69: 
        !            70: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~710631~Apr~19~17:45~nohist\_email.hist
        !            71: 
        !            72: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~~~~13~Apr~19~17:45~passwd
        !            73: 
        !            74: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~12802~May~~3~13:08~roles.db
        !            75: 
        !            76: -rw-r-{}-r-{}-~~~1~www~~~~~~users~~~~~~~~1316~Apr~12~16:05~roles.hist
        !            77: \end{lyxcode}
        !            78: 
        !            79: \caption{Sample user directory listing}
        !            80: \end{figure}
        !            81: Files ending in \texttt{.db} are GDBM files, files ending in \texttt{.hist}
        !            82: are logs of entries to these files. Filenames starting with \texttt{nohist}
        !            83: do not keep history files. \texttt{passwd} stores the login mechanism
        !            84: and password (if applicable).
        !            85: 
        !            86: \texttt{environment} stores name-value pairs that are automatically
        !            87: added to the session environment at login time, for example the full
        !            88: name, etc.
        !            89: 
        !            90: \texttt{roles} stores the user's roles.
        !            91: 
        !            92: \texttt{critical}, \texttt{nohist\_email}, and \texttt{email\_status}
        !            93: are used by the messaging mechanisms
        !            94: 
        !            95: Files with a course-ID as name, for example \texttt{msu\_12679c3ed543a25msul1.db},
        !            96: store performance data for that student in the course, as stored by
        !            97: \texttt{store} and \texttt{restore} in \texttt{lonnet}.
        !            98: 
        !            99: Other files are caches, for example for previously calculated spreadsheets,
        !           100: etc. 
        !           101: