Input_Output

 The  VSI  Pascal  I/O  model  provides  an  extensive   set   of
 predeclared  routines.   These  routines  allow you to establish
 files with sequential, relative,  or  indexed  organization  and
 process them by sequential, direct, or keyed access.

Additional information available:

General         Seq_Access_Input                Seq_Access_Output
Misc            Text_File       Direct_Access   Keyed_Access