1.2 Language Compatibility

Compaq Fortran 77 is highly compatible with VAX FORTRAN and VAX FORTRAN-HPO, and substantially compatible with PDP-11 FORTRAN-77.

Compaq Fortran 77 is also a compatible superset of ULTRIX f77; therefore, you can compile many existing f77 source programs by using this compiler.

Most Compaq Fortran 77 programs will run on OpenVMS and Tru64 UNIX (formerly DIGITAL UNIX or DEC OSF/1) systems as long as the programs do not use specific system features.

For More Information:

For specific details on language compatibility, compiler options, and program conversion considerations, see your user manual.


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