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Hi,

Is it necessary to have Link/Edit Step (during compilation process) for single program.

For. Ex.
Program A is being compiled (its having no called or calling program linked to it)
During compilation is it require Link/Edit step to be present. We do have Link Card while compiling such stand-alone programs. Why???

Thanks,
Biswa.

Do you mean "link libraries" are needed only when you need CALL (or "link", to use your term) another program?

yes,
the link-edit (binder) step makes an executable load module from an object.