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1.1       root        1: .TI F77/INTRO "Sep. 15, 1984"
                      2: Introduction to the f77 Fortran Compiler
                      3: 
                      4: This help file is an introduction to the use of Fortran on the
                      5: VAX UNIX systems.  For a more tutorial introduction, see "help f77
                      6: tutorial".
                      7: 
                      8: Source files for the f77 compiler must have filenames ending in ".f".
                      9: To compile and load a program with source contained in the file 'prog.f',
                     10: type "f77 prog.f". Two files will be created in your directory:
                     11: 
                     12: .nf
                     13:        prog.o          The compiled, relocatable object file.
                     14:        a.out           The loaded, executable binary file.
                     15: .fi
                     16: 
                     17: To run the program, type "a.out".
                     18: The general f77 command for source in several files is:
                     19: 
                     20:        f77 prog.f sub1.f sub2.f ... subn.f
                     21: 
                     22: This command will compile all the named ".f" files (creating a ".o" file for
                     23: each) and load all the object files together into a single executable file
                     24: called 'a.out'.
                     25: 
                     26: To save time, object files that don't need to be recompiled may be substituted
                     27: for the corresponding source files in the command above.  For example, if
                     28: prog.f and sub2.f have been changed since they were compiled, but the other
                     29: source files have not been changed since last compiled, type:
                     30: 
                     31:        f77 prog.f sub1.o sub2.f sub3.o ... subn.o
                     32: 
                     33: If all the files ending in '.o' and '.f' in this directory are part of this
                     34: program, you could simplify this to:
                     35: 
                     36:        f77 prog.f sub2.f *.o
                     37: 
                     38: For information on options to use with f77, see "help f77 options".
                     39: For documentation on UNIX and f77, see "help f77 online_doc" and
                     40: "help f77 printed_doc".
                     41: For information on what to do if your program crashed,
                     42: see "help f77 error_msgs" and "help f77 debugging".
                     43: For a summary of other f77 help files, see "help f77 general".

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