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We will get into more detail later, but it is good to have it in mind now:
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  • section: exists before linking, in object files.
    One ore more sections will be put inside a single segment by the linker.
    Major information sections contain for the linker: is this section:
    • raw data to be loaded into memory, e.g. .data, .text, etc.
    • or metadata about other sections, that will be used by the linker, but disappear at runtime e.g. .symtab, .srttab, .rela.text
  • segment: exists after linking, in the executable file.
    Contains information about how each segment should be loaded into memory by the OS, notably location and permissions.
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