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drwxr-xr-x [up]
-rwxr-xr-x 2002-07-16 09:36 +0200 360 isabelle
-rwxr-xr-x 2002-07-16 09:36 +0200 727 isabelle-interface
-rwxr-xr-x 2002-07-16 09:36 +0200 4162 isabelle-process
-rwxr-xr-x 2002-07-16 09:36 +0200 1320 isatool