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drwxr-xr-x [up]
-rwxr-xr-x 2008-09-02 17:31 +0200 505 isabelle
-rwxr-xr-x 2008-09-02 17:31 +0200 761 isabelle-interface
-rwxr-xr-x 2008-09-02 17:31 +0200 4964 isabelle-process
-rwxr-xr-x 2008-09-02 17:31 +0200 1343 isatool